113123221103 has 2 divisors, whose sum is σ = 113123221104. Its totient is φ = 113123221102.

The previous prime is 113123221067. The next prime is 113123221111. The reversal of 113123221103 is 301122321311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113123221103 - 2¹⁸ = 113122958959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113123221903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56561610551 + 56561610552.

It is an arithmetic number, because the mean of its divisors is an integer number (56561610552).

Almost surely, 2^113123221103 is an apocalyptic number.

113123221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

113123221103 is an equidigital number, since it uses as much as digits as its factorization.

113123221103 is an odious number, because the sum of its binary digits is odd.

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

Adding to 113123221103 its reverse (301122321311), we get a palindrome (414245542414).

The spelling of 113123221103 in words is "one hundred thirteen billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred three".