1002030021003 has 12 divisors (see below), whose sum is σ = 1468539866024. Its totient is φ = 607290921600.

The previous prime is 1002030021001. The next prime is 1002030021029. The reversal of 1002030021003 is 3001200302001.

It is a happy number.

It is not a de Polignac number, because 1002030021003 - 2¹ = 1002030021001 is a prime.

It is a super-2 number, since 2×1002030021003² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002030021003.

It is not an unprimeable number, because it can be changed into a prime (1002030021001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1380206278 + ... + 1380207003.

Almost surely, 2^{1002030021003} is an apocalyptic number.

1002030021003 is a deficient number, since it is larger than the sum of its proper divisors (466509845021).

1002030021003 is a wasteful number, since it uses less digits than its factorization.

1002030021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760413306 (or 2760413295 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1002030021003 its reverse (3001200302001), we get a palindrome (4003230323004).

The spelling of 1002030021003 in words is "one trillion, two billion, thirty million, twenty-one thousand, three".