9900324230100 has 144 divisors (see below), whose sum is σ = 28848491078400. Its totient is φ = 2621388741120.

The previous prime is 9900324230029. The next prime is 9900324230107. The reversal of 9900324230100 is 10324230099.

It is a super-2 number, since 2×9900324230100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900324230107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25016566 + ... + 25409234.

It is an arithmetic number, because the mean of its divisors is an integer number (200336743600).

Almost surely, 2^{9900324230100} 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 9900324230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14424245539200).

9900324230100 is an abundant number, since it is smaller than the sum of its proper divisors (18948166848300).

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

9900324230100 is a wasteful number, since it uses less digits than its factorization.

9900324230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393282 (or 393275 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

Adding to 9900324230100 its reverse (10324230099), we get a palindrome (9910648460199).

The spelling of 9900324230100 in words is "nine trillion, nine hundred billion, three hundred twenty-four million, two hundred thirty thousand, one hundred".