111012111232 has 64 divisors (see below), whose sum is σ = 243397528560. Its totient is φ = 50013429760.

The previous prime is 111012111209. The next prime is 111012111233. The reversal of 111012111232 is 232111210111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012111233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 189763 + ... + 507970.

Almost surely, 2^111012111232 is an apocalyptic number.

It is an amenable number.

111012111232 is an abundant number, since it is smaller than the sum of its proper divisors (132385417328).

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

111012111232 is a wasteful number, since it uses less digits than its factorization.

111012111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697871 (or 697859 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111012111232 its reverse (232111210111), we get a palindrome (343123321343).

The spelling of 111012111232 in words is "one hundred eleven billion, twelve million, one hundred eleven thousand, two hundred thirty-two".