100910120920 has 64 divisors (see below), whose sum is σ = 259793049600. Its totient is φ = 34556438400.

The previous prime is 100910120893. The next prime is 100910120923. The reversal of 100910120920 is 29021019001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100910120923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20145 + ... + 449695.

It is an arithmetic number, because the mean of its divisors is an integer number (4059266400).

Almost surely, 2^100910120920 is an apocalyptic number.

100910120920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100910120920 is an abundant number, since it is smaller than the sum of its proper divisors (158882928680).

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

100910120920 is a wasteful number, since it uses less digits than its factorization.

100910120920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430408 (or 430404 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

Adding to 100910120920 its reverse (29021019001), we get a palindrome (129931139921).

The spelling of 100910120920 in words is "one hundred billion, nine hundred ten million, one hundred twenty thousand, nine hundred twenty".