111220201120 has 48 divisors (see below), whose sum is σ = 300294546048. Its totient is φ = 38132640000.

The previous prime is 111220201061. The next prime is 111220201177. The reversal of 111220201120 is 21102022111.

It is a self number, because there is not a number n which added to its sum of digits gives 111220201120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49650756 + ... + 49652995.

It is an arithmetic number, because the mean of its divisors is an integer number (6256136376).

Almost surely, 2^111220201120 is an apocalyptic number.

111220201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220201120 is an abundant number, since it is smaller than the sum of its proper divisors (189074344928).

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

111220201120 is an equidigital number, since it uses as much as digits as its factorization.

111220201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99303773 (or 99303765 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111220201120 its reverse (21102022111), we get a palindrome (132322223231).

The spelling of 111220201120 in words is "one hundred eleven billion, two hundred twenty million, two hundred one thousand, one hundred twenty".