22120220200112 has 80 divisors (see below), whose sum is σ = 46437305536512. Its totient is φ = 10166776919040.

The previous prime is 22120220200093. The next prime is 22120220200151. The reversal of 22120220200112 is 21100202202122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 212709953 + ... + 212813919.

Almost surely, 2^{22120220200112} 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 22120220200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23218652768256).

22120220200112 is an abundant number, since it is smaller than the sum of its proper divisors (24317085336400).

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

22120220200112 is a wasteful number, since it uses less digits than its factorization.

22120220200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122226 (or 122220 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22120220200112 its reverse (21100202202122), we get a palindrome (43220422402234).

The spelling of 22120220200112 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, two hundred thousand, one hundred twelve".