22021200102000 has 640 divisors, whose sum is σ = 78010740707328. Its totient is φ = 5299955712000.

The previous prime is 22021200101983. The next prime is 22021200102019. The reversal of 22021200102000 is 20100212022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14809145257 + ... + 14809146743.

Almost surely, 2^{22021200102000} is an apocalyptic number.

22021200102000 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 22021200102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39005370353664).

22021200102000 is an abundant number, since it is smaller than the sum of its proper divisors (55989540605328).

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

22021200102000 is a wasteful number, since it uses less digits than its factorization.

22021200102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22021200102000 its reverse (20100212022), we get a palindrome (22041300314022).

The spelling of 22021200102000 in words is "twenty-two trillion, twenty-one billion, two hundred million, one hundred two thousand".