111100202100120 has 32 divisors (see below), whose sum is σ = 333300606300720. Its totient is φ = 29626720560000.

The previous prime is 111100202100109. The next prime is 111100202100163. The reversal of 111100202100120 is 21001202001111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111100202100096 and 111100202100105.

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, 462917508631 + ... + 462917508870.

Almost surely, 2^{111100202100120} is an apocalyptic number.

111100202100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100202100120 is an abundant number, since it is smaller than the sum of its proper divisors (222200404200600).

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

111100202100120 is a wasteful number, since it uses less digits than its factorization.

111100202100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925835017515 (or 925835017511 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111100202100120 its reverse (21001202001111), we get a palindrome (132101404101231).

Subtracting from 111100202100120 its reverse (21001202001111), we obtain a palindrome (90099000099009).

The spelling of 111100202100120 in words is "one hundred eleven trillion, one hundred billion, two hundred two million, one hundred thousand, one hundred twenty".