112121210022120 has 192 divisors, whose sum is σ = 405083081894400. Its totient is φ = 26708774561280.

The previous prime is 112121210022071. The next prime is 112121210022167. The reversal of 112121210022120 is 21220012121211.

112121210022120 is a `hidden beast` number, since 1 + 1 + 212 + 1 + 210 + 0 + 221 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 112121210022093 and 112121210022102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 386266590 + ... + 386556749.

It is an arithmetic number, because the mean of its divisors is an integer number (2109807718200).

Almost surely, 2^{112121210022120} is an apocalyptic number.

112121210022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121210022120 is an abundant number, since it is smaller than the sum of its proper divisors (292961871872280).

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

112121210022120 is a wasteful number, since it uses less digits than its factorization.

112121210022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772823400 (or 772823393 counting only the distinct ones).

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

Adding to 112121210022120 its reverse (21220012121211), we get a palindrome (133341222143331).

The spelling of 112121210022120 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred ten million, twenty-two thousand, one hundred twenty".