111232213111100 has 18 divisors (see below), whose sum is σ = 241373902451304. Its totient is φ = 44492885244400.

The previous prime is 111232213111099. The next prime is 111232213111127. The reversal of 111232213111100 is 1111312232111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556161065456 + ... + 556161065655.

Almost surely, 2^{111232213111100} is an apocalyptic number.

111232213111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111232213111100 is an abundant number, since it is smaller than the sum of its proper divisors (130141689340204).

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

111232213111100 is a wasteful number, since it uses less digits than its factorization.

111232213111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112322131125 (or 1112322131118 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 111232213111100 its reverse (1111312232111), we get a palindrome (112343525343211).

The spelling of 111232213111100 in words is "one hundred eleven trillion, two hundred thirty-two billion, two hundred thirteen million, one hundred eleven thousand, one hundred".