100331222124 has 48 divisors (see below), whose sum is σ = 274781013248. Its totient is φ = 27891304128.

The previous prime is 100331222093. The next prime is 100331222207. The reversal of 100331222124 is 421222133001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 100331222124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16137694 + ... + 16143909.

Almost surely, 2^100331222124 is an apocalyptic number.

100331222124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100331222124 is an abundant number, since it is smaller than the sum of its proper divisors (174449791124).

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

100331222124 is a wasteful number, since it uses less digits than its factorization.

100331222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32281654 (or 32281652 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100331222124 its reverse (421222133001), we get a palindrome (521553355125).

The spelling of 100331222124 in words is "one hundred billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred twenty-four".