130622257021 has 2 divisors, whose sum is σ = 130622257022. Its totient is φ = 130622257020.

The previous prime is 130622256997. The next prime is 130622257057. The reversal of 130622257021 is 120752226031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129967460100 + 654796921 = 360510^2 + 25589^2 .

It is a cyclic number.

It is not a de Polignac number, because 130622257021 - 2¹³ = 130622248829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130622257061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65311128510 + 65311128511.

It is an arithmetic number, because the mean of its divisors is an integer number (65311128511).

Almost surely, 2^130622257021 is an apocalyptic number.

It is an amenable number.

130622257021 is a deficient number, since it is larger than the sum of its proper divisors (1).

130622257021 is an equidigital number, since it uses as much as digits as its factorization.

130622257021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 130622257021 in words is "one hundred thirty billion, six hundred twenty-two million, two hundred fifty-seven thousand, twenty-one".