100910120919 has 16 divisors (see below), whose sum is σ = 135176745984. Its totient is φ = 66958574400.

The previous prime is 100910120893. The next prime is 100910120923. The reversal of 100910120919 is 919021019001.

It is not a de Polignac number, because 100910120919 - 2³² = 96615153623 is a prime.

It is a super-2 number, since 2×100910120919² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100910120919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100910120959) 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, 4350984 + ... + 4374114.

It is an arithmetic number, because the mean of its divisors is an integer number (8448546624).

Almost surely, 2^100910120919 is an apocalyptic number.

100910120919 is a deficient number, since it is larger than the sum of its proper divisors (34266625065).

100910120919 is a wasteful number, since it uses less digits than its factorization.

100910120919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29878.

The product of its (nonzero) digits is 1458, while the sum is 33.

It can be divided in two parts, 100 and 910120919, that added together give a palindrome (910121019).

The spelling of 100910120919 in words is "one hundred billion, nine hundred ten million, one hundred twenty thousand, nine hundred nineteen".