12210013100121 has 16 divisors (see below), whose sum is σ = 17239578735744. Its totient is φ = 7660334386944.

The previous prime is 12210013100107. The next prime is 12210013100141. The reversal of 12210013100121 is 12100131001221.

It is not a de Polignac number, because 12210013100121 - 2⁷ = 12210013099993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12210013100121.

It is not an unprimeable number, because it can be changed into a prime (12210013100141) 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, 12821821 + ... + 13741146.

It is an arithmetic number, because the mean of its divisors is an integer number (1077473670984).

Almost surely, 2^{12210013100121} is an apocalyptic number.

It is an amenable number.

12210013100121 is a deficient number, since it is larger than the sum of its proper divisors (5029565635623).

12210013100121 is a wasteful number, since it uses less digits than its factorization.

12210013100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26572000.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12210013100121 its reverse (12100131001221), we get a palindrome (24310144101342).

It can be divided in two parts, 1 and 2210013100121, that added together give a palindrome (2210013100122).

The spelling of 12210013100121 in words is "twelve trillion, two hundred ten billion, thirteen million, one hundred thousand, one hundred twenty-one".