100000100009999 has 48 divisors (see below), whose sum is σ = 124015840956000. Its totient is φ = 80168701536000.

The previous prime is 100000100009987. The next prime is 100000100010001. The reversal of 100000100009999 is 999900001000001.

It is a happy number.

It is not a de Polignac number, because 100000100009999 - 2²⁴ = 100000083232783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000100009969) 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, 31293209 + ... + 34340429.

It is an arithmetic number, because the mean of its divisors is an integer number (2583663353250).

Almost surely, 2^{100000100009999} is an apocalyptic number.

100000100009999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

100000100009999 is a deficient number, since it is larger than the sum of its proper divisors (24015740946001).

100000100009999 is a wasteful number, since it uses less digits than its factorization.

100000100009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047704 (or 3047697 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 38.

The spelling of 100000100009999 in words is "one hundred trillion, one hundred million, nine thousand, nine hundred ninety-nine".