sextillion

(noun, numeral)

noun

1. the number that is represented as a one followed by 21 zeros

Definition categories: quantity

numeral

1. (US; modern British & Australian, short scale) A trillion billion: 1 followed by 21 zeros, 1021.

2. (dated British & Australian, long scale) A million quintillion: 1 followed by 36 zeros, 1036.