10320332221 has 16 divisors (see below), whose sum is σ = 10605064320. Its totient is φ = 10040659200.

The previous prime is 10320332129. The next prime is 10320332249. The reversal of 10320332221 is 12223302301.

It is a cyclic number.

It is not a de Polignac number, because 10320332221 - 2²¹ = 10318235069 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 (10320332021) 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 15 ways as a sum of consecutive naturals, for example, 1434385 + ... + 1441561.

It is an arithmetic number, because the mean of its divisors is an integer number (662816520).

Almost surely, 2^10320332221 is an apocalyptic number.

It is an amenable number.

10320332221 is a deficient number, since it is larger than the sum of its proper divisors (284732099).

10320332221 is a wasteful number, since it uses less digits than its factorization.

10320332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10320332221 its reverse (12223302301), we get a palindrome (22543634522).

It can be divided in two parts, 103203 and 32221, that added together give a square (135424 = 368²).

The spelling of 10320332221 in words is "ten billion, three hundred twenty million, three hundred thirty-two thousand, two hundred twenty-one".