2130413221 has 2 divisors, whose sum is σ = 2130413222. Its totient is φ = 2130413220.

The previous prime is 2130413183. The next prime is 2130413251. The reversal of 2130413221 is 1223140312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1598880196 + 531533025 = 39986^2 + 23055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130413221 - 2²³ = 2122024613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130413251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065206610 + 1065206611.

It is an arithmetic number, because the mean of its divisors is an integer number (1065206611).

Almost surely, 2^2130413221 is an apocalyptic number.

It is an amenable number.

2130413221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130413221 is an equidigital number, since it uses as much as digits as its factorization.

2130413221 is an evil number, because the sum of its binary digits is even.

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

The square root of 2130413221 is about 46156.3995671240. The cubic root of 2130413221 is about 1286.7315493052.

Adding to 2130413221 its reverse (1223140312), we get a palindrome (3353553533).

The spelling of 2130413221 in words is "two billion, one hundred thirty million, four hundred thirteen thousand, two hundred twenty-one".