112021132121 has 16 divisors (see below), whose sum is σ = 121595136000. Its totient is φ = 102858793488.

The previous prime is 112021132109. The next prime is 112021132129. The reversal of 112021132121 is 121231120211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112021132121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112021132121.

It is not an unprimeable number, because it can be changed into a prime (112021132129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516971 + ... + 700928.

It is an arithmetic number, because the mean of its divisors is an integer number (7599696000).

Almost surely, 2^112021132121 is an apocalyptic number.

It is an amenable number.

112021132121 is a deficient number, since it is larger than the sum of its proper divisors (9574003879).

112021132121 is a wasteful number, since it uses less digits than its factorization.

112021132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218068.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112021132121 its reverse (121231120211), we get a palindrome (233252252332).

The spelling of 112021132121 in words is "one hundred twelve billion, twenty-one million, one hundred thirty-two thousand, one hundred twenty-one".