22112220211000 has 64 divisors (see below), whose sum is σ = 51774401558880. Its totient is φ = 8839451116800.

The previous prime is 22112220210973. The next prime is 22112220211001. The reversal of 22112220211000 is 11202221122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112220211001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5168397 + ... + 8422396.

Almost surely, 2^{22112220211000} is an apocalyptic number.

22112220211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112220211000 is an abundant number, since it is smaller than the sum of its proper divisors (29662181347880).

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

22112220211000 is a wasteful number, since it uses less digits than its factorization.

22112220211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13592441 (or 13592427 counting only the distinct ones).

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

Adding to 22112220211000 its reverse (11202221122), we get a palindrome (22123422432122).

The spelling of 22112220211000 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty million, two hundred eleven thousand".