100001000999999 has 6 divisors (see below), whose sum is σ = 109918455644760. Its totient is φ = 90910000908980.

The previous prime is 100001000999981. The next prime is 100001001000029. The reversal of 100001000999999 is 999999000100001.

It is a de Polignac number, because none of the positive numbers 2^k-100001000999999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001000999099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 413227276739 + ... + 413227276980.

It is an arithmetic number, because the mean of its divisors is an integer number (18319742607460).

Almost surely, 2^{100001000999999} is an apocalyptic number.

100001000999999 is a deficient number, since it is larger than the sum of its proper divisors (9917454644761).

100001000999999 is an equidigital number, since it uses as much as digits as its factorization.

100001000999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826454553741 (or 826454553730 counting only the distinct ones).

The product of its (nonzero) digits is 531441, while the sum is 56.

The spelling of 100001000999999 in words is "one hundred trillion, one billion, nine hundred ninety-nine thousand, nine hundred ninety-nine".