111120211110120 has 64 divisors (see below), whose sum is σ = 333371834784000. Its totient is φ = 29631060611328.

The previous prime is 111120211110079. The next prime is 111120211110131. The reversal of 111120211110120 is 21011112021111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111120211110120.

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, 11968000 + ... + 19117359.

It is an arithmetic number, because the mean of its divisors is an integer number (5208934918500).

Almost surely, 2^{111120211110120} is an apocalyptic number.

111120211110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120211110120 is an abundant number, since it is smaller than the sum of its proper divisors (222251623673880).

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

111120211110120 is a wasteful number, since it uses less digits than its factorization.

111120211110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31115162 (or 31115158 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111120211110120 its reverse (21011112021111), we get a palindrome (132131323131231).

The spelling of 111120211110120 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred eleven million, one hundred ten thousand, one hundred twenty".