100111321232 has 40 divisors (see below), whose sum is σ = 208919820984. Its totient is φ = 46197771264.

The previous prime is 100111321201. The next prime is 100111321249. The reversal of 100111321232 is 232123111001.

It can be written as a sum of positive squares in 4 ways, for example, as 3338066176 + 96773255056 = 57776^2 + 311084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100111321232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377518 + ... + 1448370.

Almost surely, 2^100111321232 is an apocalyptic number.

It is an amenable number.

100111321232 is an abundant number, since it is smaller than the sum of its proper divisors (108808499752).

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

100111321232 is a wasteful number, since it uses less digits than its factorization.

100111321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77667 (or 77661 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100111321232 its reverse (232123111001), we get a palindrome (332234432233).

The spelling of 100111321232 in words is "one hundred billion, one hundred eleven million, three hundred twenty-one thousand, two hundred thirty-two".