1000001100999 has 8 divisors (see below), whose sum is σ = 1333409273712. Its totient is φ = 666630164480.

The previous prime is 1000001100983. The next prime is 1000001101031. The reversal of 1000001100999 is 9990011000001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000001100999 - 2⁴ = 1000001100983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001100919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9246324 + ... + 9353849.

It is an arithmetic number, because the mean of its divisors is an integer number (166676159214).

Almost surely, 2^{1000001100999} is an apocalyptic number.

1000001100999 is a deficient number, since it is larger than the sum of its proper divisors (333408172713).

1000001100999 is a wasteful number, since it uses less digits than its factorization.

1000001100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18618097.

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 1000001100999 in words is "one trillion, one million, one hundred thousand, nine hundred ninety-nine".