22100220112 has 20 divisors (see below), whose sum is σ = 42923881540. Its totient is φ = 11023089408.

The previous prime is 22100220089. The next prime is 22100220113. The reversal of 22100220112 is 21102200122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14279294016 + 7820926096 = 119496^2 + 88436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22100220092 and 22100220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100220113) 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, 1682043 + ... + 1695130.

It is an arithmetic number, because the mean of its divisors is an integer number (2146194077).

Almost surely, 2^22100220112 is an apocalyptic number.

It is an amenable number.

22100220112 is a deficient number, since it is larger than the sum of its proper divisors (20823661428).

22100220112 is a wasteful number, since it uses less digits than its factorization.

22100220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377590 (or 3377584 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100220112 its reverse (21102200122), we get a palindrome (43202420234).

The spelling of 22100220112 in words is "twenty-two billion, one hundred million, two hundred twenty thousand, one hundred twelve".