1000001111003 has 4 divisors (see below), whose sum is σ = 1000082272488. Its totient is φ = 999919949520.

The previous prime is 1000001110991. The next prime is 1000001111033. The reversal of 1000001111003 is 3001111000001.

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 1000001111003 - 2⁴ = 1000001110987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000001111033) 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, 40562258 + ... + 40586903.

It is an arithmetic number, because the mean of its divisors is an integer number (250020568122).

Almost surely, 2^{1000001111003} is an apocalyptic number.

1000001111003 is a deficient number, since it is larger than the sum of its proper divisors (81161485).

1000001111003 is an equidigital number, since it uses as much as digits as its factorization.

1000001111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81161484.

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

Adding to 1000001111003 its reverse (3001111000001), we get a palindrome (4001112111004).

The spelling of 1000001111003 in words is "one trillion, one million, one hundred eleven thousand, three".