100001111003 has 4 divisors (see below), whose sum is σ = 100002767568. Its totient is φ = 99999454440.

The previous prime is 100001110969. The next prime is 100001111027. The reversal of 100001111003 is 300111100001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100001111003 - 2²⁰ = 100000062427 is a prime.

It is a super-3 number, since 3×100001111003³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001111503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734168 + ... + 859653.

It is an arithmetic number, because the mean of its divisors is an integer number (25000691892).

Almost surely, 2^100001111003 is an apocalyptic number.

100001111003 is a deficient number, since it is larger than the sum of its proper divisors (1656565).

100001111003 is an equidigital number, since it uses as much as digits as its factorization.

100001111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656564.

The product of its (nonzero) digits is 3, while the sum is 8.

Adding to 100001111003 its reverse (300111100001), we get a palindrome (400112211004).

The spelling of 100001111003 in words is "one hundred billion, one million, one hundred eleven thousand, three".