22110122112 has 128 divisors (see below), whose sum is σ = 63443526720. Its totient is φ = 6782054400.

The previous prime is 22110122107. The next prime is 22110122119. The reversal of 22110122112 is 21122101122.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 22110122091 and 22110122100.

It is not an unprimeable number, because it can be changed into a prime (22110122119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645662 + ... + 1659042.

Almost surely, 2^22110122112 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 22110122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31721763360).

22110122112 is an abundant number, since it is smaller than the sum of its proper divisors (41333404608).

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

22110122112 is a wasteful number, since it uses less digits than its factorization.

22110122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742 (or 13730 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22110122112 its reverse (21122101122), we get a palindrome (43232223234).

The spelling of 22110122112 in words is "twenty-two billion, one hundred ten million, one hundred twenty-two thousand, one hundred twelve".