22200121020112 has 120 divisors (see below), whose sum is σ = 50677950153600. Its totient is φ = 9392165572608.

The previous prime is 22200121020097. The next prime is 22200121020113. The reversal of 22200121020112 is 21102012100222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200121020113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367807728 + ... + 367868080.

It is an arithmetic number, because the mean of its divisors is an integer number (422316251280).

Almost surely, 2^{22200121020112} 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 22200121020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25338975076800).

22200121020112 is an abundant number, since it is smaller than the sum of its proper divisors (28477829133488).

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

22200121020112 is a wasteful number, since it uses less digits than its factorization.

22200121020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66393 (or 66380 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22200121020112 its reverse (21102012100222), we get a palindrome (43302133120334).

The spelling of 22200121020112 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, twenty thousand, one hundred twelve".