99019901100000 has 288 divisors, whose sum is σ = 325290646003680. Its totient is φ = 26372602880000.

The previous prime is 99019901099983. The next prime is 99019901100031. The reversal of 99019901100000 is 110991099.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242496004 + ... + 242903996.

It is an arithmetic number, because the mean of its divisors is an integer number (1129481409735).

Almost surely, 2^{99019901100000} 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 99019901100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162645323001840).

99019901100000 is an abundant number, since it is smaller than the sum of its proper divisors (226270744903680).

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

99019901100000 is an equidigital number, since it uses as much as digits as its factorization.

99019901100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408840 (or 408812 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 99019901100000 in words is "ninety-nine trillion, nineteen billion, nine hundred one million, one hundred thousand".