112021022121 has 8 divisors (see below), whose sum is σ = 149812606944. Its totient is φ = 74455059360.

The previous prime is 112021022093. The next prime is 112021022153. The reversal of 112021022121 is 121220120211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112021022121 - 2⁵ = 112021022089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112021022121.

It is not an unprimeable number, because it can be changed into a prime (112021022171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56404356 + ... + 56406341.

It is an arithmetic number, because the mean of its divisors is an integer number (18726575868).

Almost surely, 2^112021022121 is an apocalyptic number.

It is an amenable number.

112021022121 is a deficient number, since it is larger than the sum of its proper divisors (37791584823).

112021022121 is a wasteful number, since it uses less digits than its factorization.

112021022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112811031.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112021022121 its reverse (121220120211), we get a palindrome (233241142332).

The spelling of 112021022121 in words is "one hundred twelve billion, twenty-one million, twenty-two thousand, one hundred twenty-one".