1002002011003 has 24 divisors (see below), whose sum is σ = 1155869653760. Its totient is φ = 850887601200.

The previous prime is 1002002011001. The next prime is 1002002011009. The reversal of 1002002011003 is 3001102002001.

It is not a de Polignac number, because 1002002011003 - 2¹ = 1002002011001 is a prime.

It is a super-2 number, since 2×1002002011003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002002011001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75793528 + ... + 75806746.

Almost surely, 2^{1002002011003} is an apocalyptic number.

1002002011003 is a deficient number, since it is larger than the sum of its proper divisors (153867642757).

1002002011003 is an equidigital number, since it uses as much as digits as its factorization.

1002002011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14119 (or 13988 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1002002011003 its reverse (3001102002001), we get a palindrome (4003104013004).

The spelling of 1002002011003 in words is "one trillion, two billion, two million, eleven thousand, three".