100872876021 has 8 divisors (see below), whose sum is σ = 134506730400. Its totient is φ = 67243802832.

The previous prime is 100872876019. The next prime is 100872876023. The reversal of 100872876021 is 120678278001.

It is an interprime number because it is at equal distance from previous prime (100872876019) and next prime (100872876023).

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

It is not a de Polignac number, because 100872876021 - 2¹ = 100872876019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100872876023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145775 + ... + 1230668.

It is an arithmetic number, because the mean of its divisors is an integer number (16813341300).

Almost surely, 2^100872876021 is an apocalyptic number.

It is an amenable number.

100872876021 is a deficient number, since it is larger than the sum of its proper divisors (33633854379).

100872876021 is a wasteful number, since it uses less digits than its factorization.

100872876021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390595.

The product of its (nonzero) digits is 75264, while the sum is 42.

The spelling of 100872876021 in words is "one hundred billion, eight hundred seventy-two million, eight hundred seventy-six thousand, twenty-one".