10003021002 has 48 divisors (see below), whose sum is σ = 23909682888. Its totient is φ = 3002780160.

The previous prime is 10003020799. The next prime is 10003021013. The reversal of 10003021002 is 20012030001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6457890321 + 3545130681 = 80361^2 + 59541^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511723 + ... + 530910.

Almost surely, 2^10003021002 is an apocalyptic number.

10003021002 is an abundant number, since it is smaller than the sum of its proper divisors (13906661886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10003021002 is a wasteful number, since it uses less digits than its factorization.

10003021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042695 (or 1042692 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10003021002 its reverse (20012030001), we get a palindrome (30015051003).

The spelling of 10003021002 in words is "ten billion, three million, twenty-one thousand, two".