100122119979 has 24 divisors (see below), whose sum is σ = 155410928640. Its totient is φ = 57168622224.

The previous prime is 100122119963. The next prime is 100122120001. The reversal of 100122119979 is 979911221001.

It is not a de Polignac number, because 100122119979 - 2⁴ = 100122119963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100122119979.

It is not an unprimeable number, because it can be changed into a prime (100122119179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69819 + ... + 452900.

It is an arithmetic number, because the mean of its divisors is an integer number (6475455360).

Almost surely, 2^100122119979 is an apocalyptic number.

100122119979 is a deficient number, since it is larger than the sum of its proper divisors (55288808661).

100122119979 is a wasteful number, since it uses less digits than its factorization.

100122119979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524039 (or 524032 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 42.

The spelling of 100122119979 in words is "one hundred billion, one hundred twenty-two million, one hundred nineteen thousand, nine hundred seventy-nine".