130220310021 has 4 divisors (see below), whose sum is σ = 173627080032. Its totient is φ = 86813540012.

The previous prime is 130220310019. The next prime is 130220310067. The reversal of 130220310021 is 120013022031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130220310021 - 2¹ = 130220310019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130220310071) 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 in 3 ways as a sum of consecutive naturals, for example, 21703385001 + ... + 21703385006.

It is an arithmetic number, because the mean of its divisors is an integer number (43406770008).

Almost surely, 2^130220310021 is an apocalyptic number.

It is an amenable number.

130220310021 is a deficient number, since it is larger than the sum of its proper divisors (43406770011).

130220310021 is an equidigital number, since it uses as much as digits as its factorization.

130220310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43406770010.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 130220310021 its reverse (120013022031), we get a palindrome (250233332052).

The spelling of 130220310021 in words is "one hundred thirty billion, two hundred twenty million, three hundred ten thousand, twenty-one".