230120031233221 has 2 divisors, whose sum is σ = 230120031233222. Its totient is φ = 230120031233220.

The previous prime is 230120031233219. The next prime is 230120031233293. The reversal of 230120031233221 is 122332130021032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225777971328100 + 4342059905121 = 15025910^2 + 2083761^2 .

It is a cyclic number.

It is not a de Polignac number, because 230120031233221 - 2¹ = 230120031233219 is a prime.

Together with 230120031233219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230120031233021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115060015616610 + 115060015616611.

It is an arithmetic number, because the mean of its divisors is an integer number (115060015616611).

Almost surely, 2^{230120031233221} is an apocalyptic number.

It is an amenable number.

230120031233221 is a deficient number, since it is larger than the sum of its proper divisors (1).

230120031233221 is an equidigital number, since it uses as much as digits as its factorization.

230120031233221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 230120031233221 its reverse (122332130021032), we get a palindrome (352452161254253).

The spelling of 230120031233221 in words is "two hundred thirty trillion, one hundred twenty billion, thirty-one million, two hundred thirty-three thousand, two hundred twenty-one".