11112113223 has 48 divisors (see below), whose sum is σ = 17799608736. Its totient is φ = 6903014400.

The previous prime is 11112113183. The next prime is 11112113231. The reversal of 11112113223 is 32231121111.

It is a de Polignac number, because none of the positive numbers 2^k-11112113223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11112113196 and 11112113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112113723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403915 + ... + 430547.

It is an arithmetic number, because the mean of its divisors is an integer number (370825182).

Almost surely, 2^11112113223 is an apocalyptic number.

11112113223 is a deficient number, since it is larger than the sum of its proper divisors (6687495513).

11112113223 is a wasteful number, since it uses less digits than its factorization.

11112113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26766 (or 26754 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 11112113223 its reverse (32231121111), we get a palindrome (43343234334).

The spelling of 11112113223 in words is "eleven billion, one hundred twelve million, one hundred thirteen thousand, two hundred twenty-three".