112120210232121 has 128 divisors (see below), whose sum is σ = 188004121804800. Its totient is φ = 57857374568448.

The previous prime is 112120210232021. The next prime is 112120210232171. The reversal of 112120210232121 is 121232012021211.

It is not a de Polignac number, because 112120210232121 - 2⁷ = 112120210231993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (112120210232171) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11843262430 + ... + 11843271896.

It is an arithmetic number, because the mean of its divisors is an integer number (1468782201600).

Almost surely, 2^{112120210232121} is an apocalyptic number.

It is an amenable number.

112120210232121 is a deficient number, since it is larger than the sum of its proper divisors (75883911572679).

112120210232121 is a wasteful number, since it uses less digits than its factorization.

112120210232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11815.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 112120210232121 its reverse (121232012021211), we get a palindrome (233352222253332).

The spelling of 112120210232121 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred ten million, two hundred thirty-two thousand, one hundred twenty-one".