111132203120 has 80 divisors (see below), whose sum is σ = 270017003520. Its totient is φ = 42495220992.

The previous prime is 111132203093. The next prime is 111132203227. The reversal of 111132203120 is 21302231111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182000 + ... + 505359.

It is an arithmetic number, because the mean of its divisors is an integer number (3375212544).

Almost surely, 2^111132203120 is an apocalyptic number.

111132203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111132203120 is an abundant number, since it is smaller than the sum of its proper divisors (158884800400).

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

111132203120 is a wasteful number, since it uses less digits than its factorization.

111132203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687462 (or 687456 counting only the distinct ones).

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

Adding to 111132203120 its reverse (21302231111), we get a palindrome (132434434231).

The spelling of 111132203120 in words is "one hundred eleven billion, one hundred thirty-two million, two hundred three thousand, one hundred twenty".