13021322121201 has 16 divisors (see below), whose sum is σ = 17930875944960. Its totient is φ = 8396607863760.

The previous prime is 13021322121191. The next prime is 13021322121211. The reversal of 13021322121201 is 10212122312031.

It is an interprime number because it is at equal distance from previous prime (13021322121191) and next prime (13021322121211).

It is not a de Polignac number, because 13021322121201 - 2⁹ = 13021322120689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13021322121211) 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, 35190945 + ... + 35559038.

It is an arithmetic number, because the mean of its divisors is an integer number (1120679746560).

Almost surely, 2^{13021322121201} is an apocalyptic number.

It is an amenable number.

13021322121201 is a deficient number, since it is larger than the sum of its proper divisors (4909553823759).

13021322121201 is a wasteful number, since it uses less digits than its factorization.

13021322121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70751996.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13021322121201 its reverse (10212122312031), we get a palindrome (23233444433232).

The spelling of 13021322121201 in words is "thirteen trillion, twenty-one billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred one".