221130232300013 has 2 divisors, whose sum is σ = 221130232300014. Its totient is φ = 221130232300012.

The previous prime is 221130232299979. The next prime is 221130232300049. The reversal of 221130232300013 is 310003232031122.

221130232300013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220898156945449 + 232075354564 = 14862643^2 + 481742^2 .

It is a cyclic number.

It is not a de Polignac number, because 221130232300013 - 2²⁰ = 221130231251437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221130232300073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110565116150006 + 110565116150007.

It is an arithmetic number, because the mean of its divisors is an integer number (110565116150007).

Almost surely, 2^{221130232300013} is an apocalyptic number.

It is an amenable number.

221130232300013 is a deficient number, since it is larger than the sum of its proper divisors (1).

221130232300013 is an equidigital number, since it uses as much as digits as its factorization.

221130232300013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221130232300013 its reverse (310003232031122), we get a palindrome (531133464331135).

The spelling of 221130232300013 in words is "two hundred twenty-one trillion, one hundred thirty billion, two hundred thirty-two million, three hundred thousand, thirteen".