22201020112 has 80 divisors (see below), whose sum is σ = 45567083520. Its totient is φ = 10457542656.

The previous prime is 22201020031. The next prime is 22201020131. The reversal of 22201020112 is 21102010222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22201020092 and 22201020101.

It is a congruent number.

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, 7958814 + ... + 7961602.

It is an arithmetic number, because the mean of its divisors is an integer number (569588544).

Almost surely, 2^22201020112 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 22201020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22783541760).

22201020112 is an abundant number, since it is smaller than the sum of its proper divisors (23366063408).

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

22201020112 is a wasteful number, since it uses less digits than its factorization.

22201020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140 (or 3134 counting only the distinct ones).

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

Adding to 22201020112 its reverse (21102010222), we get a palindrome (43303030334).

The spelling of 22201020112 in words is "twenty-two billion, two hundred one million, twenty thousand, one hundred twelve".