100021012107 has 16 divisors (see below), whose sum is σ = 136479319680. Its totient is φ = 65122065792.

The previous prime is 100021012087. The next prime is 100021012183. The reversal of 100021012107 is 701210120001.

It is not a de Polignac number, because 100021012107 - 2¹⁸ = 100020749963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100021012207) 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, 1136244 + ... + 1221102.

It is an arithmetic number, because the mean of its divisors is an integer number (8529957480).

Almost surely, 2^100021012107 is an apocalyptic number.

100021012107 is a deficient number, since it is larger than the sum of its proper divisors (36458307573).

100021012107 is an equidigital number, since it uses as much as digits as its factorization.

100021012107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94042.

The product of its (nonzero) digits is 28, while the sum is 15.

Adding to 100021012107 its reverse (701210120001), we get a palindrome (801231132108).

The spelling of 100021012107 in words is "one hundred billion, twenty-one million, twelve thousand, one hundred seven".