99100222400 has 84 divisors (see below), whose sum is σ = 243941559360. Its totient is φ = 39624960000.

The previous prime is 99100222379. The next prime is 99100222409. The reversal of 99100222400 is 422200199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99100222409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4791281 + ... + 4811919.

Almost surely, 2^99100222400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99100222400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121970779680).

99100222400 is an abundant number, since it is smaller than the sum of its proper divisors (144841336960).

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

99100222400 is a wasteful number, since it uses less digits than its factorization.

99100222400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23662 (or 23647 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 99100222400 its reverse (422200199), we get a palindrome (99522422599).

The spelling of 99100222400 in words is "ninety-nine billion, one hundred million, two hundred twenty-two thousand, four hundred".