12220110200121 has 48 divisors (see below), whose sum is σ = 16920402984576. Its totient is φ = 7844543304192.

The previous prime is 12220110200083. The next prime is 12220110200143. The reversal of 12220110200121 is 12100201102221.

It is not a de Polignac number, because 12220110200121 - 2⁶ = 12220110200057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220110200121.

It is not an unprimeable number, because it can be changed into a prime (12220110200321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1644031021 + ... + 1644038453.

It is an arithmetic number, because the mean of its divisors is an integer number (352508395512).

Almost surely, 2^{12220110200121} is an apocalyptic number.

It is an amenable number.

12220110200121 is a deficient number, since it is larger than the sum of its proper divisors (4700292784455).

12220110200121 is a wasteful number, since it uses less digits than its factorization.

12220110200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170 (or 9141 counting only the distinct ones).

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

Adding to 12220110200121 its reverse (12100201102221), we get a palindrome (24320311302342).

The spelling of 12220110200121 in words is "twelve trillion, two hundred twenty billion, one hundred ten million, two hundred thousand, one hundred twenty-one".