22201011321000 has 1024 divisors, whose sum is σ = 74894530314240. Its totient is φ = 5465594880000.

The previous prime is 22201011320981. The next prime is 22201011321079. The reversal of 22201011321000 is 12311010222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 57966086809 + ... + 57966087191.

It is an arithmetic number, because the mean of its divisors is an integer number (73139189760).

Almost surely, 2^{22201011321000} is an apocalyptic number.

22201011321000 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 22201011321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37447265157120).

22201011321000 is an abundant number, since it is smaller than the sum of its proper divisors (52693518993240).

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

22201011321000 is a wasteful number, since it uses less digits than its factorization.

22201011321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22201011321000 its reverse (12311010222), we get a palindrome (22213322331222).

The spelling of 22201011321000 in words is "twenty-two trillion, two hundred one billion, eleven million, three hundred twenty-one thousand".