111220988952 has 16 divisors (see below), whose sum is σ = 278052472440. Its totient is φ = 37073662976.

The previous prime is 111220988951. The next prime is 111220988969. The reversal of 111220988952 is 259889022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220988951) 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 3 ways as a sum of consecutive naturals, for example, 2317103913 + ... + 2317103960.

Almost surely, 2^111220988952 is an apocalyptic number.

111220988952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111220988952 is an abundant number, since it is smaller than the sum of its proper divisors (166831483488).

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

111220988952 is a wasteful number, since it uses less digits than its factorization.

111220988952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634207882 (or 4634207878 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 48.

The spelling of 111220988952 in words is "one hundred eleven billion, two hundred twenty million, nine hundred eighty-eight thousand, nine hundred fifty-two".