130023231220121 has 2 divisors, whose sum is σ = 130023231220122. Its totient is φ = 130023231220120.

The previous prime is 130023231220067. The next prime is 130023231220153. The reversal of 130023231220121 is 121022132320031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129162974970121 + 860256250000 = 11364989^2 + 927500^2 .

It is an emirp because it is prime and its reverse (121022132320031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130023231220121 - 2³⁸ = 129748353313177 is a prime.

It is not a weakly prime, because it can be changed into another prime (130023231220721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65011615610060 + 65011615610061.

It is an arithmetic number, because the mean of its divisors is an integer number (65011615610061).

Almost surely, 2^{130023231220121} is an apocalyptic number.

It is an amenable number.

130023231220121 is a deficient number, since it is larger than the sum of its proper divisors (1).

130023231220121 is an equidigital number, since it uses as much as digits as its factorization.

130023231220121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 130023231220121 its reverse (121022132320031), we get a palindrome (251045363540152).

The spelling of 130023231220121 in words is "one hundred thirty trillion, twenty-three billion, two hundred thirty-one million, two hundred twenty thousand, one hundred twenty-one".