111100200022120 has 32 divisors (see below), whose sum is σ = 250897868709120. Its totient is φ = 44276094469440.

The previous prime is 111100200022111. The next prime is 111100200022151. The reversal of 111100200022120 is 21220002001111.

It is a self number, because there is not a number n which added to its sum of digits gives 111100200022120.

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 7 ways as a sum of consecutive naturals, for example, 5124537132 + ... + 5124558811.

It is an arithmetic number, because the mean of its divisors is an integer number (7840558397160).

Almost surely, 2^{111100200022120} is an apocalyptic number.

111100200022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100200022120 is an abundant number, since it is smaller than the sum of its proper divisors (139797668687000).

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

111100200022120 is a wasteful number, since it uses less digits than its factorization.

111100200022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10249096225 (or 10249096221 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111100200022120 its reverse (21220002001111), we get a palindrome (132320202023231).

The spelling of 111100200022120 in words is "one hundred eleven trillion, one hundred billion, two hundred million, twenty-two thousand, one hundred twenty".