duiliardo

Esperanto

Etymology

du (“2”) +‎ -iliardo

Noun

duiliardo (accusative singular duiliardon, plural duiliardoj, accusative plural duiliardojn)

1. A thousand billion, 10¹⁵ (in the short scale, a quadrillion).

Usage notes

In Esperanto, numbers of a million and larger are treated as nouns and are declined as such.