22221010112 has 112 divisors (see below), whose sum is σ = 54876192000. Its totient is φ = 8710861824.

The previous prime is 22221010109. The next prime is 22221010121. The reversal of 22221010112 is 21101012222.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201839 + ... + 291857.

It is an arithmetic number, because the mean of its divisors is an integer number (489966000).

Almost surely, 2^22221010112 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 22221010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27438096000).

22221010112 is an abundant number, since it is smaller than the sum of its proper divisors (32655181888).

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

22221010112 is a wasteful number, since it uses less digits than its factorization.

22221010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90086 (or 90076 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22221010112 its reverse (21101012222), we get a palindrome (43322022334).

The spelling of 22221010112 in words is "twenty-two billion, two hundred twenty-one million, ten thousand, one hundred twelve".