130221013057 has 2 divisors, whose sum is σ = 130221013058. Its totient is φ = 130221013056.

The previous prime is 130221013049. The next prime is 130221013129. The reversal of 130221013057 is 750310122031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71871711921 + 58349301136 = 268089^2 + 241556^2 .

It is an emirp because it is prime and its reverse (750310122031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130221013057 - 2³ = 130221013049 is a prime.

It is not a weakly prime, because it can be changed into another prime (130221013157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65110506528 + 65110506529.

It is an arithmetic number, because the mean of its divisors is an integer number (65110506529).

Almost surely, 2^130221013057 is an apocalyptic number.

It is an amenable number.

130221013057 is a deficient number, since it is larger than the sum of its proper divisors (1).

130221013057 is an equidigital number, since it uses as much as digits as its factorization.

130221013057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 130221013057 its reverse (750310122031), we get a palindrome (880531135088).

The spelling of 130221013057 in words is "one hundred thirty billion, two hundred twenty-one million, thirteen thousand, fifty-seven".