13025022121 has 2 divisors, whose sum is σ = 13025022122. Its totient is φ = 13025022120.

The previous prime is 13025022089. The next prime is 13025022149. The reversal of 13025022121 is 12122052031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13005121600 + 19900521 = 114040^2 + 4461^2 .

It is a cyclic number.

It is not a de Polignac number, because 13025022121 - 2⁵ = 13025022089 is a prime.

It is not a weakly prime, because it can be changed into another prime (13025022181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6512511060 + 6512511061.

It is an arithmetic number, because the mean of its divisors is an integer number (6512511061).

Almost surely, 2^13025022121 is an apocalyptic number.

It is an amenable number.

13025022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13025022121 is an equidigital number, since it uses as much as digits as its factorization.

13025022121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 13025022121 its reverse (12122052031), we get a palindrome (25147074152).

The spelling of 13025022121 in words is "thirteen billion, twenty-five million, twenty-two thousand, one hundred twenty-one".