13032222121 has 2 divisors, whose sum is σ = 13032222122. Its totient is φ = 13032222120.

The previous prime is 13032222089. The next prime is 13032222127. The reversal of 13032222121 is 12122223031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12982095721 + 50126400 = 113939^2 + 7080^2 .

It is a cyclic number.

It is not a de Polignac number, because 13032222121 - 2⁵ = 13032222089 is a prime.

It is a super-2 number, since 2×13032222121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13032222127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516111060 + 6516111061.

It is an arithmetic number, because the mean of its divisors is an integer number (6516111061).

Almost surely, 2^13032222121 is an apocalyptic number.

It is an amenable number.

13032222121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13032222121 is an equidigital number, since it uses as much as digits as its factorization.

13032222121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13032222121 its reverse (12122223031), we get a palindrome (25154445152).

The spelling of 13032222121 in words is "thirteen billion, thirty-two million, two hundred twenty-two thousand, one hundred twenty-one".