111020320120 has 48 divisors (see below), whose sum is σ = 261128657160. Its totient is φ = 42477331776.

The previous prime is 111020320111. The next prime is 111020320183. The reversal of 111020320120 is 21023020111.

It is a super-2 number, since 2×111020320120² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111020320120.

It is a congruent number.

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, 2602194 + ... + 2644513.

Almost surely, 2^111020320120 is an apocalyptic number.

111020320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020320120 is an abundant number, since it is smaller than the sum of its proper divisors (150108337040).

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

111020320120 is a wasteful number, since it uses less digits than its factorization.

111020320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246764 (or 5246737 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 111020320120 its reverse (21023020111), we get a palindrome (132043340231).

The spelling of 111020320120 in words is "one hundred eleven billion, twenty million, three hundred twenty thousand, one hundred twenty".