22111023113 has 4 divisors (see below), whose sum is σ = 23072371968. Its totient is φ = 21149674260.

The previous prime is 22111023047. The next prime is 22111023119. The reversal of 22111023113 is 31132011122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111023113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22111023091 and 22111023100.

It is not an unprimeable number, because it can be changed into a prime (22111023119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480674393 + ... + 480674438.

It is an arithmetic number, because the mean of its divisors is an integer number (5768092992).

Almost surely, 2^22111023113 is an apocalyptic number.

22111023113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22111023113 is a deficient number, since it is larger than the sum of its proper divisors (961348855).

22111023113 is an equidigital number, since it uses as much as digits as its factorization.

22111023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961348854.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22111023113 its reverse (31132011122), we get a palindrome (53243034235).

The spelling of 22111023113 in words is "twenty-two billion, one hundred eleven million, twenty-three thousand, one hundred thirteen".