22021211102200 has 48 divisors (see below), whose sum is σ = 51200962047000. Its totient is φ = 8808201217920.

The previous prime is 22021211102197. The next prime is 22021211102207. The reversal of 22021211102200 is 220111212022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021211102207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4521346 + ... + 8030254.

Almost surely, 2^{22021211102200} is an apocalyptic number.

22021211102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021211102200 is an abundant number, since it is smaller than the sum of its proper divisors (29179750944800).

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

22021211102200 is a wasteful number, since it uses less digits than its factorization.

22021211102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540304 (or 3540295 counting only the distinct ones).

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

Adding to 22021211102200 its reverse (220111212022), we get a palindrome (22241322314222).

The spelling of 22021211102200 in words is "twenty-two trillion, twenty-one billion, two hundred eleven million, one hundred two thousand, two hundred".