113122111 has 8 divisors (see below), whose sum is σ = 115227504. Its totient is φ = 111034560.

The previous prime is 113122109. The next prime is 113122117. The reversal of 113122111 is 111221311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113122111 - 2¹ = 113122109 is a prime.

It is a super-2 number, since 2×113122111² = 25593223994192642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113122091 and 113122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113122117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8691 + ... + 17371.

It is an arithmetic number, because the mean of its divisors is an integer number (14403438).

Almost surely, 2^113122111 is an apocalyptic number.

113122111 is a deficient number, since it is larger than the sum of its proper divisors (2105393).

113122111 is an equidigital number, since it uses as much as digits as its factorization.

113122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921.

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

The square root of 113122111 is about 10635.8878801913. The cubic root of 113122111 is about 483.6328964476.

Adding to 113122111 its reverse (111221311), we get a palindrome (224343422).

The spelling of 113122111 in words is "one hundred thirteen million, one hundred twenty-two thousand, one hundred eleven".