10443330221 has 16 divisors (see below), whose sum is σ = 11218680000. Its totient is φ = 9692597376.

The previous prime is 10443330203. The next prime is 10443330229. The reversal of 10443330221 is 12203334401.

It is a de Polignac number, because none of the positive numbers 2^k-10443330221 is a prime.

It is a super-2 number, since 2×10443330221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10443330229) 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, 155990 + ... + 212648.

It is an arithmetic number, because the mean of its divisors is an integer number (701167500).

Almost surely, 2^10443330221 is an apocalyptic number.

It is an amenable number.

10443330221 is a deficient number, since it is larger than the sum of its proper divisors (775349779).

10443330221 is a wasteful number, since it uses less digits than its factorization.

10443330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56876.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 10443330221 its reverse (12203334401), we get a palindrome (22646664622).

The spelling of 10443330221 in words is "ten billion, four hundred forty-three million, three hundred thirty thousand, two hundred twenty-one".