milmillonésimo

Spanish

Spanish numbers ^(edit)

←  1,000,000 (106)	←  100,000,000 (108)	1,000,000,000 (109)	1012  →
Cardinal: mil millones, un millardo     Ordinal: milmillonésimo, millardésimo     Fractional: milmillonésimo, millardésimo
Spanish Wikipedia article on 1,000,000,000 (109)

Pronunciation

 

• IPA^(key): /milmiʝoˈnesimo/ [mil.mi.ʝoˈne.si.mo]

• IPA^(key): /milmiʝoˈnesimo/ [mil.mi.ʝoˈne.si.mo] (most of Spain and Latin America)
• IPA^(key): /milmiʎoˈnesimo/ [mil.mi.ʎoˈne.si.mo] (rural northern Spain, Andes Mountains, Paraguay, Philippines)
• IPA^(key): /milmiʃoˈnesimo/ [mil.mi.ʃoˈne.si.mo] (Buenos Aires and environs)
• IPA^(key): /milmiʒoˈnesimo/ [mil.mi.ʒoˈne.si.mo] (elsewhere in Argentina and Uruguay)

• Rhymes: -esimo
• Syllabification: mil‧mi‧llo‧né‧si‧mo

Adjective

milmillonésimo (feminine milmillonésima, masculine plural milmillonésimos, feminine plural milmillonésimas)

1. (ordinal number) billionth

   la milmillonésima persona ― the billionth person

2. (fractional number) billionth

   una milmillonésima parte ― a billionth part

Noun

milmillonésimo m (plural milmillonésimos)

1. (fractional number) billionth (1000 000 000.°)

   tres milmillonésimos ― three billionths (³⁄_{1,000,000,000})

Further reading

• “milmillonésimo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025