12212102101121 has 16 divisors (see below), whose sum is σ = 13170020486784. Its totient is φ = 11256834242304.

The previous prime is 12212102101103. The next prime is 12212102101127. The reversal of 12212102101121 is 12110120121221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212102101121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212102101121.

It is not an unprimeable number, because it can be changed into a prime (12212102101127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77748761 + ... + 77905673.

It is an arithmetic number, because the mean of its divisors is an integer number (823126280424).

Almost surely, 2^{12212102101121} is an apocalyptic number.

It is an amenable number.

12212102101121 is a deficient number, since it is larger than the sum of its proper divisors (957918385663).

12212102101121 is a wasteful number, since it uses less digits than its factorization.

12212102101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165320.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12212102101121 its reverse (12110120121221), we get a palindrome (24322222222342).

The spelling of 12212102101121 in words is "twelve trillion, two hundred twelve billion, one hundred two million, one hundred one thousand, one hundred twenty-one".