100031220102 has 32 divisors (see below), whose sum is σ = 229736776320. Its totient is φ = 28717096320.

The previous prime is 100031220041. The next prime is 100031220139. The reversal of 100031220102 is 201022130001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39883603 + ... + 39886110.

It is an arithmetic number, because the mean of its divisors is an integer number (7179274260).

Almost surely, 2^100031220102 is an apocalyptic number.

100031220102 is an abundant number, since it is smaller than the sum of its proper divisors (129705556218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100031220102 is a wasteful number, since it uses less digits than its factorization.

100031220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79769748.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100031220102 its reverse (201022130001), we get a palindrome (301053350103).

The spelling of 100031220102 in words is "one hundred billion, thirty-one million, two hundred twenty thousand, one hundred two".