10303302221 has 4 divisors (see below), whose sum is σ = 10311487200. Its totient is φ = 10295117244.

The previous prime is 10303302187. The next prime is 10303302223. The reversal of 10303302221 is 12220330301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12220330301 = 19 ⋅643175279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10303302221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10303302221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303302223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090601 + ... + 4093118.

It is an arithmetic number, because the mean of its divisors is an integer number (2577871800).

Almost surely, 2^10303302221 is an apocalyptic number.

It is an amenable number.

10303302221 is a deficient number, since it is larger than the sum of its proper divisors (8184979).

10303302221 is an equidigital number, since it uses as much as digits as its factorization.

10303302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184978.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10303302221 its reverse (12220330301), we get a palindrome (22523632522).

The spelling of 10303302221 in words is "ten billion, three hundred three million, three hundred two thousand, two hundred twenty-one".