111232011020 has 36 divisors (see below), whose sum is σ = 252937651680. Its totient is φ = 41070279744.

The previous prime is 111232010999. The next prime is 111232011047. The reversal of 111232011020 is 20110232111.

It is a junction number, because it is equal to n+sod(n) for n = 111232010986 and 111232011004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16451060 + ... + 16457819.

It is an arithmetic number, because the mean of its divisors is an integer number (7026045880).

Almost surely, 2^111232011020 is an apocalyptic number.

111232011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111232011020 is an abundant number, since it is smaller than the sum of its proper divisors (141705640660).

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

111232011020 is a wasteful number, since it uses less digits than its factorization.

111232011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32908914 (or 32908899 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111232011020 its reverse (20110232111), we get a palindrome (131342243131).

The spelling of 111232011020 in words is "one hundred eleven billion, two hundred thirty-two million, eleven thousand, twenty".