2130320102221 has 4 divisors (see below), whose sum is σ = 2132800103200. Its totient is φ = 2127840101244.

The previous prime is 2130320102219. The next prime is 2130320102311. The reversal of 2130320102221 is 1222010230312.

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 2130320102221 - 2¹ = 2130320102219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130320102821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1239999201 + ... + 1240000918.

It is an arithmetic number, because the mean of its divisors is an integer number (533200025800).

Almost surely, 2^{2130320102221} is an apocalyptic number.

It is an amenable number.

2130320102221 is a deficient number, since it is larger than the sum of its proper divisors (2480000979).

2130320102221 is an equidigital number, since it uses as much as digits as its factorization.

2130320102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480000978.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2130320102221 its reverse (1222010230312), we get a palindrome (3352330332533).

The spelling of 2130320102221 in words is "two trillion, one hundred thirty billion, three hundred twenty million, one hundred two thousand, two hundred twenty-one".