130021333203221 has 2 divisors, whose sum is σ = 130021333203222. Its totient is φ = 130021333203220.

The previous prime is 130021333203197. The next prime is 130021333203239. The reversal of 130021333203221 is 122302333120031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104034900062500 + 25986433140721 = 10199750^2 + 5097689^2 .

It is a cyclic number.

It is not a de Polignac number, because 130021333203221 - 2¹⁸ = 130021332941077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130021333205221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65010666601610 + 65010666601611.

It is an arithmetic number, because the mean of its divisors is an integer number (65010666601611).

Almost surely, 2^{130021333203221} is an apocalyptic number.

It is an amenable number.

130021333203221 is a deficient number, since it is larger than the sum of its proper divisors (1).

130021333203221 is an equidigital number, since it uses as much as digits as its factorization.

130021333203221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 130021333203221 its reverse (122302333120031), we get a palindrome (252323666323252).

The spelling of 130021333203221 in words is "one hundred thirty trillion, twenty-one billion, three hundred thirty-three million, two hundred three thousand, two hundred twenty-one".