130013221321 has 2 divisors, whose sum is σ = 130013221322. Its totient is φ = 130013221320.

The previous prime is 130013221309. The next prime is 130013221357. The reversal of 130013221321 is 123122310031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126309160000 + 3704061321 = 355400^2 + 60861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130013221321 is a prime.

It is not a weakly prime, because it can be changed into another prime (130013222321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65006610660 + 65006610661.

It is an arithmetic number, because the mean of its divisors is an integer number (65006610661).

Almost surely, 2^130013221321 is an apocalyptic number.

It is an amenable number.

130013221321 is a deficient number, since it is larger than the sum of its proper divisors (1).

130013221321 is an equidigital number, since it uses as much as digits as its factorization.

130013221321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 130013221321 its reverse (123122310031), we get a palindrome (253135531352).

The spelling of 130013221321 in words is "one hundred thirty billion, thirteen million, two hundred twenty-one thousand, three hundred twenty-one".