111120002120 has 64 divisors (see below), whose sum is σ = 260944917120. Its totient is φ = 42506601984.

The previous prime is 111120002113. The next prime is 111120002159. The reversal of 111120002120 is 21200021111.

It is a super-2 number, since 2×111120002120² (a number of 23 digits) contains 22 as substring.

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, 5903444 + ... + 5922236.

It is an arithmetic number, because the mean of its divisors is an integer number (4077264330).

Almost surely, 2^111120002120 is an apocalyptic number.

111120002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120002120 is an abundant number, since it is smaller than the sum of its proper divisors (149824915000).

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

111120002120 is a wasteful number, since it uses less digits than its factorization.

111120002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25254 (or 25250 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111120002120 its reverse (21200021111), we get a palindrome (132320023231).

The spelling of 111120002120 in words is "one hundred eleven billion, one hundred twenty million, two thousand, one hundred twenty".