22123010112 has 168 divisors, whose sum is σ = 71063534784. Its totient is φ = 5948940288.

The previous prime is 22123010089. The next prime is 22123010113. The reversal of 22123010112 is 21101032122.

It is a tau number, because it is divible by the number of its divisors (168).

It is a junction number, because it is equal to n+sod(n) for n = 22123010091 and 22123010100.

It is not an unprimeable number, because it can be changed into a prime (22123010113) 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, 359938 + ... + 416894.

Almost surely, 2^22123010112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35531767392).

22123010112 is an abundant number, since it is smaller than the sum of its proper divisors (48940524672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123010112 is a wasteful number, since it uses less digits than its factorization.

22123010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57013 (or 56986 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22123010112 its reverse (21101032122), we get a palindrome (43224042234).

The spelling of 22123010112 in words is "twenty-two billion, one hundred twenty-three million, ten thousand, one hundred twelve".