113221310243 has 2 divisors, whose sum is σ = 113221310244. Its totient is φ = 113221310242.

The previous prime is 113221310179. The next prime is 113221310273. The reversal of 113221310243 is 342013122311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113221310243 - 2⁶ = 113221310179 is a prime.

It is not a weakly prime, because it can be changed into another prime (113221310273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610655121 + 56610655122.

It is an arithmetic number, because the mean of its divisors is an integer number (56610655122).

Almost surely, 2^113221310243 is an apocalyptic number.

113221310243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221310243 is an equidigital number, since it uses as much as digits as its factorization.

113221310243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 113221310243 its reverse (342013122311), we get a palindrome (455234432554).

The spelling of 113221310243 in words is "one hundred thirteen billion, two hundred twenty-one million, three hundred ten thousand, two hundred forty-three".