2130422321 has 2 divisors, whose sum is σ = 2130422322. Its totient is φ = 2130422320.

The previous prime is 2130422263. The next prime is 2130422347. The reversal of 2130422321 is 1232240312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1702387600 + 428034721 = 41260^2 + 20689^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130422321 - 2⁶ = 2130422257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130422293 and 2130422302.

It is not a weakly prime, because it can be changed into another prime (2130422351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065211160 + 1065211161.

It is an arithmetic number, because the mean of its divisors is an integer number (1065211161).

Almost surely, 2^2130422321 is an apocalyptic number.

It is an amenable number.

2130422321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130422321 is an equidigital number, since it uses as much as digits as its factorization.

2130422321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2130422321 is about 46156.4981448983. The cubic root of 2130422321 is about 1286.7333813818.

Adding to 2130422321 its reverse (1232240312), we get a palindrome (3362662633).

The spelling of 2130422321 in words is "two billion, one hundred thirty million, four hundred twenty-two thousand, three hundred twenty-one".