22421004332100 has 288 divisors, whose sum is σ = 71035454523264. Its totient is φ = 5414938214400.

The previous prime is 22421004332063. The next prime is 22421004332189. The reversal of 22421004332100 is 123340012422.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2182512564 + ... + 2182522836.

Almost surely, 2^{22421004332100} is an apocalyptic number.

22421004332100 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 22421004332100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35517727261632).

22421004332100 is an abundant number, since it is smaller than the sum of its proper divisors (48614450191164).

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

22421004332100 is a wasteful number, since it uses less digits than its factorization.

22421004332100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727 (or 12720 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22421004332100 its reverse (123340012422), we get a palindrome (22544344344522).

The spelling of 22421004332100 in words is "twenty-two trillion, four hundred twenty-one billion, four million, three hundred thirty-two thousand, one hundred".