1000001112003 has 6 divisors (see below), whose sum is σ = 1444446050684. Its totient is φ = 666667407996.

The previous prime is 1000001112001. The next prime is 1000001112013. The reversal of 1000001112003 is 3002111000001.

1000001112003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000001112003 - 2¹ = 1000001112001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 111111234667 = 1000001112003 / (1 + 0 + 0 + 0 + 0 + 0 + 1 + 1 + 1 + 2 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000001112001) 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, 55555617325 + ... + 55555617342.

Almost surely, 2^{1000001112003} is an apocalyptic number.

1000001112003 is a deficient number, since it is larger than the sum of its proper divisors (444444938681).

1000001112003 is a wasteful number, since it uses less digits than its factorization.

1000001112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111234673 (or 111111234670 counting only the distinct ones).

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

Adding to 1000001112003 its reverse (3002111000001), we get a palindrome (4002112112004).

The spelling of 1000001112003 in words is "one trillion, one million, one hundred twelve thousand, three".