22021210201000 has 128 divisors (see below), whose sum is σ = 51629810094720. Its totient is φ = 8791372800000.

The previous prime is 22021210200959. The next prime is 22021210201037. The reversal of 22021210201000 is 10201212022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1638354280 + ... + 1638367720.

It is an arithmetic number, because the mean of its divisors is an integer number (403357891365).

Almost surely, 2^{22021210201000} is an apocalyptic number.

22021210201000 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 22021210201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25814905047360).

22021210201000 is an abundant number, since it is smaller than the sum of its proper divisors (29608599893720).

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

22021210201000 is a wasteful number, since it uses less digits than its factorization.

22021210201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16524 (or 16510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22021210201000 its reverse (10201212022), we get a palindrome (22031411413022).

The spelling of 22021210201000 in words is "twenty-two trillion, twenty-one billion, two hundred ten million, two hundred one thousand".