301210010221 has 2 divisors, whose sum is σ = 301210010222. Its totient is φ = 301210010220.

The previous prime is 301210010209. The next prime is 301210010239. The reversal of 301210010221 is 122010012103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270868202500 + 30341807721 = 520450^2 + 174189^2 .

It is a cyclic number.

It is not a de Polignac number, because 301210010221 - 2¹⁷ = 301209879149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301210050221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150605005110 + 150605005111.

It is an arithmetic number, because the mean of its divisors is an integer number (150605005111).

Almost surely, 2^301210010221 is an apocalyptic number.

It is an amenable number.

301210010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

301210010221 is an equidigital number, since it uses as much as digits as its factorization.

301210010221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 301210010221 its reverse (122010012103), we get a palindrome (423220022324).

The spelling of 301210010221 in words is "three hundred one billion, two hundred ten million, ten thousand, two hundred twenty-one".