22113113123 has 8 divisors (see below), whose sum is σ = 23100588288. Its totient is φ = 21127807624.

The previous prime is 22113113107. The next prime is 22113113131. The reversal of 22113113123 is 32131131122.

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 22113113123 - 2⁴ = 22113113107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22113113095 and 22113113104.

It is not an unprimeable number, because it can be changed into a prime (22113113153) 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, 521561 + ... + 562362.

It is an arithmetic number, because the mean of its divisors is an integer number (2887573536).

Almost surely, 2^22113113123 is an apocalyptic number.

22113113123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22113113123 is a deficient number, since it is larger than the sum of its proper divisors (987475165).

22113113123 is a wasteful number, since it uses less digits than its factorization.

22113113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084833.

The product of its digits is 216, while the sum is 20.

Adding to 22113113123 its reverse (32131131122), we get a palindrome (54244244245).

The spelling of 22113113123 in words is "twenty-two billion, one hundred thirteen million, one hundred thirteen thousand, one hundred twenty-three".