230113210021 has 2 divisors, whose sum is σ = 230113210022. Its totient is φ = 230113210020.

The previous prime is 230113210013. The next prime is 230113210027. The reversal of 230113210021 is 120012311032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217766889025 + 12346320996 = 466655^2 + 111114^2 .

It is a cyclic number.

It is not a de Polignac number, because 230113210021 - 2³ = 230113210013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230113209977 and 230113210004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230113210027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115056605010 + 115056605011.

It is an arithmetic number, because the mean of its divisors is an integer number (115056605011).

Almost surely, 2^230113210021 is an apocalyptic number.

It is an amenable number.

230113210021 is a deficient number, since it is larger than the sum of its proper divisors (1).

230113210021 is an equidigital number, since it uses as much as digits as its factorization.

230113210021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 230113210021 its reverse (120012311032), we get a palindrome (350125521053).

The spelling of 230113210021 in words is "two hundred thirty billion, one hundred thirteen million, two hundred ten thousand, twenty-one".