2130130212321 has 4 divisors (see below), whose sum is σ = 2840173616432. Its totient is φ = 1420086808212.

The previous prime is 2130130212307. The next prime is 2130130212337. The reversal of 2130130212321 is 1232120310312.

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 not a de Polignac number, because 2130130212321 - 2¹⁵ = 2130130179553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130130212421) 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, 355021702051 + ... + 355021702056.

It is an arithmetic number, because the mean of its divisors is an integer number (710043404108).

Almost surely, 2^{2130130212321} is an apocalyptic number.

It is an amenable number.

2130130212321 is a deficient number, since it is larger than the sum of its proper divisors (710043404111).

2130130212321 is an equidigital number, since it uses as much as digits as its factorization.

2130130212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710043404110.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2130130212321 its reverse (1232120310312), we get a palindrome (3362250522633).

The spelling of 2130130212321 in words is "two trillion, one hundred thirty billion, one hundred thirty million, two hundred twelve thousand, three hundred twenty-one".