100109192920 has 64 divisors (see below), whose sum is σ = 246002430240. Its totient is φ = 36361881600.

The previous prime is 100109192851. The next prime is 100109192957. The reversal of 100109192920 is 29291901001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258514 + ... + 516766.

Almost surely, 2^100109192920 is an apocalyptic number.

100109192920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100109192920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123001215120).

100109192920 is an abundant number, since it is smaller than the sum of its proper divisors (145893237320).

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

100109192920 is a wasteful number, since it uses less digits than its factorization.

100109192920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259156 (or 259152 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 100109192920 in words is "one hundred billion, one hundred nine million, one hundred ninety-two thousand, nine hundred twenty".