101929101920 has 24 divisors (see below), whose sum is σ = 240807503664. Its totient is φ = 40771640704.

The previous prime is 101929101919. The next prime is 101929101961. The reversal of 101929101920 is 29101929101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318528284 + ... + 318528603.

It is an arithmetic number, because the mean of its divisors is an integer number (10033645986).

Almost surely, 2^101929101920 is an apocalyptic number.

101929101920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101929101920 is an abundant number, since it is smaller than the sum of its proper divisors (138878401744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101929101920 is an equidigital number, since it uses as much as digits as its factorization.

101929101920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637056902 (or 637056894 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 101929101920 in words is "one hundred one billion, nine hundred twenty-nine million, one hundred one thousand, nine hundred twenty".