22112110223 has 4 divisors (see below), whose sum is σ = 25270983120. Its totient is φ = 18953237328.

The previous prime is 22112110217. The next prime is 22112110303. The reversal of 22112110223 is 32201121122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22112110223 - 2⁶ = 22112110159 is a prime.

It is a super-2 number, since 2×22112110223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112110213) 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, 1579436438 + ... + 1579436451.

It is an arithmetic number, because the mean of its divisors is an integer number (6317745780).

Almost surely, 2^22112110223 is an apocalyptic number.

22112110223 is a deficient number, since it is larger than the sum of its proper divisors (3158872897).

22112110223 is an equidigital number, since it uses as much as digits as its factorization.

22112110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158872896.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22112110223 its reverse (32201121122), we get a palindrome (54313231345).

The spelling of 22112110223 in words is "twenty-two billion, one hundred twelve million, one hundred ten thousand, two hundred twenty-three".