121112020220112 has 120 divisors (see below), whose sum is σ = 358925503547520. Its totient is φ = 37991471662080.

The previous prime is 121112020220111. The next prime is 121112020220123. The reversal of 121112020220112 is 211022020211121.

121112020220112 is a `hidden beast` number, since 1 + 211 + 120 + 2 + 0 + 220 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112020220111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18006537 + ... + 23800407.

It is an arithmetic number, because the mean of its divisors is an integer number (2991045862896).

Almost surely, 2^{121112020220112} is an apocalyptic number.

121112020220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121112020220112 is an abundant number, since it is smaller than the sum of its proper divisors (237813483327408).

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

121112020220112 is a wasteful number, since it uses less digits than its factorization.

121112020220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802441 (or 5802432 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121112020220112 its reverse (211022020211121), we get a palindrome (332134040431233).

The spelling of 121112020220112 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty million, two hundred twenty thousand, one hundred twelve".