13320122232121 has 16 divisors (see below), whose sum is σ = 13513351461120. Its totient is φ = 13127679372160.

The previous prime is 13320122232119. The next prime is 13320122232133. The reversal of 13320122232121 is 12123222102331.

It is a cyclic number.

It is not a de Polignac number, because 13320122232121 - 2¹ = 13320122232119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320122232191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506282115 + ... + 506308423.

It is an arithmetic number, because the mean of its divisors is an integer number (844584466320).

Almost surely, 2^{13320122232121} is an apocalyptic number.

It is an amenable number.

13320122232121 is a deficient number, since it is larger than the sum of its proper divisors (193229228999).

13320122232121 is a wasteful number, since it uses less digits than its factorization.

13320122232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40976.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13320122232121 its reverse (12123222102331), we get a palindrome (25443344334452).

The spelling of 13320122232121 in words is "thirteen trillion, three hundred twenty billion, one hundred twenty-two million, two hundred thirty-two thousand, one hundred twenty-one".