1002000111003 has 12 divisors (see below), whose sum is σ = 1447347547360. Its totient is φ = 667993587696.

The previous prime is 1002000111001. The next prime is 1002000111067. The reversal of 1002000111003 is 3001110002001.

It is not a de Polignac number, because 1002000111003 - 2¹ = 1002000111001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002000111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554625 + ... + 1520397.

Almost surely, 2^{1002000111003} is an apocalyptic number.

1002000111003 is a deficient number, since it is larger than the sum of its proper divisors (445347436357).

1002000111003 is a wasteful number, since it uses less digits than its factorization.

1002000111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081058 (or 1081055 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1002000111003 its reverse (3001110002001), we get a palindrome (4003110113004).

The spelling of 1002000111003 in words is "one trillion, two billion, one hundred eleven thousand, three".