9999000101001 has 8 divisors (see below), whose sum is σ = 13692324462784. Its totient is φ = 6485837903280.

The previous prime is 9999000100987. The next prime is 9999000101011. The reversal of 9999000101001 is 1001010009999.

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

It is not a de Polignac number, because 9999000101001 - 2²⁶ = 9998932992137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9999000101011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45040540885 + ... + 45040541106.

It is an arithmetic number, because the mean of its divisors is an integer number (1711540557848).

Almost surely, 2^{9999000101001} is an apocalyptic number.

It is an amenable number.

9999000101001 is a deficient number, since it is larger than the sum of its proper divisors (3693324361783).

9999000101001 is a wasteful number, since it uses less digits than its factorization.

9999000101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90081082031.

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

The spelling of 9999000101001 in words is "nine trillion, nine hundred ninety-nine billion, one hundred one thousand, one".