10003330221 has 4 divisors (see below), whose sum is σ = 13337773632. Its totient is φ = 6668886812.

The previous prime is 10003330219. The next prime is 10003330229. The reversal of 10003330221 is 12203330001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10003330221 - 2¹ = 10003330219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10003330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003330229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667221701 + ... + 1667221706.

It is an arithmetic number, because the mean of its divisors is an integer number (3334443408).

Almost surely, 2^10003330221 is an apocalyptic number.

It is an amenable number.

10003330221 is a deficient number, since it is larger than the sum of its proper divisors (3334443411).

10003330221 is an equidigital number, since it uses as much as digits as its factorization.

10003330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334443410.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 10003330221 its reverse (12203330001), we get a palindrome (22206660222).

The spelling of 10003330221 in words is "ten billion, three million, three hundred thirty thousand, two hundred twenty-one".