109324521900 has 432 divisors, whose sum is σ = 388914795360. Its totient is φ = 25443532800.

The previous prime is 109324521883. The next prime is 109324521913. The reversal of 109324521900 is 9125423901.

109324521900 is a `hidden beast` number, since 10 + 9 + 3 + 2 + 452 + 190 + 0 = 666.

It is a super-2 number, since 2×109324521900² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 55409314 + ... + 55411286.

It is an arithmetic number, because the mean of its divisors is an integer number (900265730).

Almost surely, 2^109324521900 is an apocalyptic number.

109324521900 is a gapful number since it is divisible by the number (10) 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 109324521900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194457397680).

109324521900 is an abundant number, since it is smaller than the sum of its proper divisors (279590273460).

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

109324521900 is a wasteful number, since it uses less digits than its factorization.

109324521900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226 (or 2216 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 109324521900 in words is "one hundred nine billion, three hundred twenty-four million, five hundred twenty-one thousand, nine hundred".