sextillion Sextilis • sextillionth · · · Info · Definitions · Characters · · sextillion · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the number that is represented as a one followed by 21 zeros. · · Noun Definition 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078