13201344522121 has 12 divisors (see below), whose sum is σ = 15358124911440. Its totient is φ = 11314363231080.

The previous prime is 13201344522049. The next prime is 13201344522161. The reversal of 13201344522121 is 12122544310231.

It is not a de Polignac number, because 13201344522121 - 2¹¹ = 13201344520073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201344522161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12275511 + ... + 13307548.

It is an arithmetic number, because the mean of its divisors is an integer number (1279843742620).

Almost surely, 2^{13201344522121} is an apocalyptic number.

It is an amenable number.

13201344522121 is a deficient number, since it is larger than the sum of its proper divisors (2156780389319).

13201344522121 is a wasteful number, since it uses less digits than its factorization.

13201344522121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25593604 (or 25593597 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 13201344522121 its reverse (12122544310231), we get a palindrome (25323888832352).

The spelling of 13201344522121 in words is "thirteen trillion, two hundred one billion, three hundred forty-four million, five hundred twenty-two thousand, one hundred twenty-one".