22020221011100 has 288 divisors, whose sum is σ = 56618571179520. Its totient is φ = 7355224719360.

The previous prime is 22020221011093. The next prime is 22020221011111. The reversal of 22020221011100 is 111012202022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 142843664 + ... + 142997736.

It is an arithmetic number, because the mean of its divisors is an integer number (196592261040).

Almost surely, 2^{22020221011100} is an apocalyptic number.

22020221011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020221011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28309285589760).

22020221011100 is an abundant number, since it is smaller than the sum of its proper divisors (34598350168420).

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

22020221011100 is a wasteful number, since it uses less digits than its factorization.

22020221011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154369 (or 154362 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22020221011100 its reverse (111012202022), we get a palindrome (22131233213122).

The spelling of 22020221011100 in words is "twenty-two trillion, twenty billion, two hundred twenty-one million, eleven thousand, one hundred".