10021002002 has 32 divisors (see below), whose sum is σ = 18276425280. Its totient is φ = 4061422080.

The previous prime is 10021002001. The next prime is 10021002011. The reversal of 10021002002 is 20020012001.

It is a super-2 number, since 2×10021002002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021002001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698003 + ... + 712214.

It is an arithmetic number, because the mean of its divisors is an integer number (571138290).

Almost surely, 2^10021002002 is an apocalyptic number.

10021002002 is a deficient number, since it is larger than the sum of its proper divisors (8255423278).

10021002002 is a wasteful number, since it uses less digits than its factorization.

10021002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410266.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10021002002 its reverse (20020012001), we get a palindrome (30041014003).

Subtracting 10021002002 from its reverse (20020012001), we obtain a palindrome (9999009999).

The spelling of 10021002002 in words is "ten billion, twenty-one million, two thousand, two".