1002100223 has 8 divisors (see below), whose sum is σ = 1055996400. Its totient is φ = 948319488.

The previous prime is 1002100219. The next prime is 1002100237. The reversal of 1002100223 is 3220012001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002100223 - 2² = 1002100219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002100243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10736 + ... + 46037.

It is an arithmetic number, because the mean of its divisors is an integer number (131999550).

Almost surely, 2^1002100223 is an apocalyptic number.

1002100223 is a deficient number, since it is larger than the sum of its proper divisors (53896177).

1002100223 is an equidigital number, since it uses as much as digits as its factorization.

1002100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57721.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1002100223 is about 31655.9666255826. The cubic root of 1002100223 is about 1000.6995848003.

Adding to 1002100223 its reverse (3220012001), we get a palindrome (4222112224).

The spelling of 1002100223 in words is "one billion, two million, one hundred thousand, two hundred twenty-three".