13302232121 has 2 divisors, whose sum is σ = 13302232122. Its totient is φ = 13302232120.

The previous prime is 13302232109. The next prime is 13302232127. The reversal of 13302232121 is 12123220331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13297549225 + 4682896 = 115315^2 + 2164^2 .

It is a cyclic number.

It is not a de Polignac number, because 13302232121 - 2¹⁰ = 13302231097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13302232093 and 13302232102.

It is not a weakly prime, because it can be changed into another prime (13302232127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651116060 + 6651116061.

It is an arithmetic number, because the mean of its divisors is an integer number (6651116061).

Almost surely, 2^13302232121 is an apocalyptic number.

It is an amenable number.

13302232121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13302232121 is an equidigital number, since it uses as much as digits as its factorization.

13302232121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13302232121 its reverse (12123220331), we get a palindrome (25425452452).

The spelling of 13302232121 in words is "thirteen billion, three hundred two million, two hundred thirty-two thousand, one hundred twenty-one".