100001011109999 has 16 divisors (see below), whose sum is σ = 103634804639520. Its totient is φ = 96379636953600.

The previous prime is 100001011109971. The next prime is 100001011110043. The reversal of 100001011109999 is 999901110100001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100001011109999 - 2¹⁶ = 100001011044463 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 (100001011109929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104214347 + ... + 105169539.

It is an arithmetic number, because the mean of its divisors is an integer number (6477175289970).

Almost surely, 2^{100001011109999} is an apocalyptic number.

100001011109999 is a deficient number, since it is larger than the sum of its proper divisors (3633793529521).

100001011109999 is an equidigital number, since it uses as much as digits as its factorization.

100001011109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961690.

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 100001011109999 in words is "one hundred trillion, one billion, eleven million, one hundred nine thousand, nine hundred ninety-nine".