113221001233 has 2 divisors, whose sum is σ = 113221001234. Its totient is φ = 113221001232.

The previous prime is 113221001171. The next prime is 113221001237. The reversal of 113221001233 is 332100122311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109198524304 + 4022476929 = 330452^2 + 63423^2 .

It is a cyclic number.

It is not a de Polignac number, because 113221001233 - 2⁹ = 113221000721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113221001233.

It is not a weakly prime, because it can be changed into another prime (113221001237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610500616 + 56610500617.

It is an arithmetic number, because the mean of its divisors is an integer number (56610500617).

Almost surely, 2^113221001233 is an apocalyptic number.

It is an amenable number.

113221001233 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221001233 is an equidigital number, since it uses as much as digits as its factorization.

113221001233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113221001233 its reverse (332100122311), we get a palindrome (445321123544).

The spelling of 113221001233 in words is "one hundred thirteen billion, two hundred twenty-one million, one thousand, two hundred thirty-three".