113111122 has 4 divisors (see below), whose sum is σ = 169666686. Its totient is φ = 56555560.

The previous prime is 113111099. The next prime is 113111137. The reversal of 113111122 is 221111311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221111311 = 1109 ⋅199379.

It can be written as a sum of positive squares in only one way, i.e., 110649361 + 2461761 = 10519^2 + 1569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277779 + ... + 28277782.

Almost surely, 2^113111122 is an apocalyptic number.

113111122 is a deficient number, since it is larger than the sum of its proper divisors (56555564).

113111122 is an equidigital number, since it uses as much as digits as its factorization.

113111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56555563.

The product of its digits is 12, while the sum is 13.

The square root of 113111122 is about 10635.3712676145. The cubic root of 113111122 is about 483.6172354539.

Adding to 113111122 its reverse (221111311), we get a palindrome (334222433).

The spelling of 113111122 in words is "one hundred thirteen million, one hundred eleven thousand, one hundred twenty-two".