111321103312 has 20 divisors (see below), whose sum is σ = 216306218016. Its totient is φ = 55500143840.

The previous prime is 111321103307. The next prime is 111321103337. The reversal of 111321103312 is 213301123111.

It is a self number, because there is not a number n which added to its sum of digits gives 111321103312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10019764 + ... + 10030867.

Almost surely, 2^111321103312 is an apocalyptic number.

It is an amenable number.

111321103312 is a deficient number, since it is larger than the sum of its proper divisors (104985114704).

111321103312 is a wasteful number, since it uses less digits than its factorization.

111321103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050986 (or 20050980 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111321103312 its reverse (213301123111), we get a palindrome (324622226423).

The spelling of 111321103312 in words is "one hundred eleven billion, three hundred twenty-one million, one hundred three thousand, three hundred twelve".