111200012120 has 32 divisors (see below), whose sum is σ = 250442327520. Its totient is φ = 44436929280.

The previous prime is 111200012081. The next prime is 111200012141. The reversal of 111200012120 is 21210002111.

111200012120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304276 + ... + 1386915.

It is an arithmetic number, because the mean of its divisors is an integer number (7826322735).

Almost surely, 2^111200012120 is an apocalyptic number.

111200012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200012120 is an abundant number, since it is smaller than the sum of its proper divisors (139242315400).

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

111200012120 is a wasteful number, since it uses less digits than its factorization.

111200012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692235 (or 2692231 counting only the distinct ones).

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

Adding to 111200012120 its reverse (21210002111), we get a palindrome (132410014231).

The spelling of 111200012120 in words is "one hundred eleven billion, two hundred million, twelve thousand, one hundred twenty".