21322210200000 has 672 divisors, whose sum is σ = 71488359952128. Its totient is φ = 5607813120000.

The previous prime is 21322210199933. The next prime is 21322210200037. The reversal of 21322210200000 is 201222312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 25782599587 + ... + 25782600413.

It is an arithmetic number, because the mean of its divisors is an integer number (106381488024).

Almost surely, 2^{21322210200000} is an apocalyptic number.

21322210200000 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 21322210200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35744179976064).

21322210200000 is an abundant number, since it is smaller than the sum of its proper divisors (50166149752128).

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

21322210200000 is an frugal number, since it uses more digits than its factorization.

21322210200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21322210200000 its reverse (201222312), we get a palindrome (21322411422312).

The spelling of 21322210200000 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred ten million, two hundred thousand".