230221113113 has 4 divisors (see below), whose sum is σ = 230230825908. Its totient is φ = 230211400320.

The previous prime is 230221113107. The next prime is 230221113137. The reversal of 230221113113 is 311311122032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197529580249 + 32691532864 = 444443^2 + 180808^2 .

It is a cyclic number.

It is not a de Polignac number, because 230221113113 - 2¹² = 230221109017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230221113713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4820756 + ... + 4868277.

It is an arithmetic number, because the mean of its divisors is an integer number (57557706477).

Almost surely, 2^230221113113 is an apocalyptic number.

It is an amenable number.

230221113113 is a deficient number, since it is larger than the sum of its proper divisors (9712795).

230221113113 is an equidigital number, since it uses as much as digits as its factorization.

230221113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712794.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 230221113113 its reverse (311311122032), we get a palindrome (541532235145).

The spelling of 230221113113 in words is "two hundred thirty billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred thirteen".