301022130221 has 2 divisors, whose sum is σ = 301022130222. Its totient is φ = 301022130220.

The previous prime is 301022130187. The next prime is 301022130263. The reversal of 301022130221 is 122031220103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186676707721 + 114345422500 = 432061^2 + 338150^2 .

It is a cyclic number.

It is not a de Polignac number, because 301022130221 - 2¹⁰ = 301022129197 is a prime.

It is a super-2 number, since 2×301022130221² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 301022130221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301022130821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150511065110 + 150511065111.

It is an arithmetic number, because the mean of its divisors is an integer number (150511065111).

Almost surely, 2^301022130221 is an apocalyptic number.

It is an amenable number.

301022130221 is a deficient number, since it is larger than the sum of its proper divisors (1).

301022130221 is an equidigital number, since it uses as much as digits as its factorization.

301022130221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 301022130221 its reverse (122031220103), we get a palindrome (423053350324).

The spelling of 301022130221 in words is "three hundred one billion, twenty-two million, one hundred thirty thousand, two hundred twenty-one".