113122112011 has 24 divisors (see below), whose sum is σ = 127664468064. Its totient is φ = 99865094400.

The previous prime is 113122111979. The next prime is 113122112041. The reversal of 113122112011 is 110211221311.

It is a happy number.

It is not a de Polignac number, because 113122112011 - 2⁵ = 113122111979 is a prime.

It is a super-2 number, since 2×113122112011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113122112041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528586 + ... + 711088.

It is an arithmetic number, because the mean of its divisors is an integer number (5319352836).

Almost surely, 2^113122112011 is an apocalyptic number.

113122112011 is a deficient number, since it is larger than the sum of its proper divisors (14542356053).

113122112011 is a wasteful number, since it uses less digits than its factorization.

113122112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182659 (or 182640 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 113122112011 its reverse (110211221311), we get a palindrome (223333333322).

The spelling of 113122112011 in words is "one hundred thirteen billion, one hundred twenty-two million, one hundred twelve thousand, eleven".