111122012200120 has 16 divisors (see below), whose sum is σ = 250024527450360. Its totient is φ = 44448804880032.

The previous prime is 111122012200117. The next prime is 111122012200163. The reversal of 111122012200120 is 21002210221111.

It is a junction number, because it is equal to n+sod(n) for n = 111122012200094 and 111122012200103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389025152462 + ... + 1389025152541.

Almost surely, 2^{111122012200120} is an apocalyptic number.

111122012200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122012200120 is an abundant number, since it is smaller than the sum of its proper divisors (138902515250240).

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

111122012200120 is a wasteful number, since it uses less digits than its factorization.

111122012200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778050305014 (or 2778050305010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111122012200120 its reverse (21002210221111), we get a palindrome (132124222421231).

The spelling of 111122012200120 in words is "one hundred eleven trillion, one hundred twenty-two billion, twelve million, two hundred thousand, one hundred twenty".