100120999958 has 8 divisors (see below), whose sum is σ = 171635999952. Its totient is φ = 42908999976.

The previous prime is 100120999943. The next prime is 100120999981. The reversal of 100120999958 is 859999021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×100120999958⁴ (a number of 45 digits) contains 4444 as substring.

It is a Curzon number.

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, 3575749985 + ... + 3575750012.

It is an arithmetic number, because the mean of its divisors is an integer number (21454499994).

Almost surely, 2^100120999958 is an apocalyptic number.

100120999958 is a deficient number, since it is larger than the sum of its proper divisors (71514999994).

100120999958 is an equidigital number, since it uses as much as digits as its factorization.

100120999958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151500006.

The product of its (nonzero) digits is 524880, while the sum is 53.

The spelling of 100120999958 in words is "one hundred billion, one hundred twenty million, nine hundred ninety-nine thousand, nine hundred fifty-eight".