10021330221 has 16 divisors (see below), whose sum is σ = 16168869504. Its totient is φ = 5389622784.

The previous prime is 10021330211. The next prime is 10021330237. The reversal of 10021330221 is 12203312001.

10021330221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021330221 - 2¹¹ = 10021328173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021330211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14035120 + ... + 14035833.

It is an arithmetic number, because the mean of its divisors is an integer number (1010554344).

Almost surely, 2^10021330221 is an apocalyptic number.

It is an amenable number.

10021330221 is a deficient number, since it is larger than the sum of its proper divisors (6147539283).

10021330221 is a wasteful number, since it uses less digits than its factorization.

10021330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28070980.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10021330221 its reverse (12203312001), we get a palindrome (22224642222).

The spelling of 10021330221 in words is "ten billion, twenty-one million, three hundred thirty thousand, two hundred twenty-one".