113223231211 has 2 divisors, whose sum is σ = 113223231212. Its totient is φ = 113223231210.

The previous prime is 113223231167. The next prime is 113223231217. The reversal of 113223231211 is 112132322311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113223231211 is a prime.

It is not a weakly prime, because it can be changed into another prime (113223231217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611615605 + 56611615606.

It is an arithmetic number, because the mean of its divisors is an integer number (56611615606).

Almost surely, 2^113223231211 is an apocalyptic number.

113223231211 is a deficient number, since it is larger than the sum of its proper divisors (1).

113223231211 is an equidigital number, since it uses as much as digits as its factorization.

113223231211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

Adding to 113223231211 its reverse (112132322311), we get a palindrome (225355553522).

The spelling of 113223231211 in words is "one hundred thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, two hundred eleven".