111220233332120 has 32 divisors (see below), whose sum is σ = 272995118179920. Its totient is φ = 40443721211520.

The previous prime is 111220233332099. The next prime is 111220233332129. The reversal of 111220233332120 is 21233332022111.

It is a self number, because there is not a number n which added to its sum of digits gives 111220233332120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220233332129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126386628347 + ... + 126386629226.

Almost surely, 2^{111220233332120} is an apocalyptic number.

111220233332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220233332120 is an abundant number, since it is smaller than the sum of its proper divisors (161774884847800).

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

111220233332120 is a wasteful number, since it uses less digits than its factorization.

111220233332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252773257595 (or 252773257591 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 111220233332120 its reverse (21233332022111), we get a palindrome (132453565354231).

The spelling of 111220233332120 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred thirty-three million, three hundred thirty-two thousand, one hundred twenty".