130021202321 has 2 divisors, whose sum is σ = 130021202322. Its totient is φ = 130021202320.

The previous prime is 130021202299. The next prime is 130021202341. The reversal of 130021202321 is 123202120031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124936799296 + 5084403025 = 353464^2 + 71305^2 .

It is an emirp because it is prime and its reverse (123202120031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130021202321 - 2²⁶ = 129954093457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130021202321.

It is not a weakly prime, because it can be changed into another prime (130021202341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65010601160 + 65010601161.

It is an arithmetic number, because the mean of its divisors is an integer number (65010601161).

Almost surely, 2^130021202321 is an apocalyptic number.

It is an amenable number.

130021202321 is a deficient number, since it is larger than the sum of its proper divisors (1).

130021202321 is an equidigital number, since it uses as much as digits as its factorization.

130021202321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 130021202321 its reverse (123202120031), we get a palindrome (253223322352).

The spelling of 130021202321 in words is "one hundred thirty billion, twenty-one million, two hundred two thousand, three hundred twenty-one".