Wiktionary
vigintillions
n. (plural of vigintillion English)
Usage examples of "vigintillions".
He would shout that the world was in danger, since the Elder Things wished to strip it and drag it away from the solar system and cosmos of matter into some other plane or phase of entity from which it had once fallen, vigintillions of aeons ago.
After vigintillions of years great Cthulhu was loose again, and ravening for delight.