111110021110120 has 64 divisors (see below), whose sum is σ = 258625443283200. Its totient is φ = 42910246713600.

The previous prime is 111110021110111. The next prime is 111110021110139. The reversal of 111110021110120 is 21011120011111.

It is a self number, because there is not a number n which added to its sum of digits gives 111110021110120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40371007 + ... + 43035313.

It is an arithmetic number, because the mean of its divisors is an integer number (4041022551300).

Almost surely, 2^{111110021110120} is an apocalyptic number.

111110021110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111110021110120 is an abundant number, since it is smaller than the sum of its proper divisors (147515422173080).

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

111110021110120 is a wasteful number, since it uses less digits than its factorization.

111110021110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700298 (or 2700294 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111110021110120 its reverse (21011120011111), we get a palindrome (132121141121231).

The spelling of 111110021110120 in words is "one hundred eleven trillion, one hundred ten billion, twenty-one million, one hundred ten thousand, one hundred twenty".