10320133221 has 6 divisors (see below), whose sum is σ = 14906859110. Its totient is φ = 6880088808.

The previous prime is 10320133199. The next prime is 10320133261. The reversal of 10320133221 is 12233102301.

10320133221 is a `hidden beast` number, since 10 + 320 + 1 + 332 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8140550625 + 2179582596 = 90225^2 + 46686^2 .

It is not a de Polignac number, because 10320133221 - 2¹⁹ = 10319608933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10320133194 and 10320133203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320133261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 573340726 + ... + 573340743.

Almost surely, 2^10320133221 is an apocalyptic number.

It is an amenable number.

10320133221 is a deficient number, since it is larger than the sum of its proper divisors (4586725889).

10320133221 is a wasteful number, since it uses less digits than its factorization.

10320133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146681475 (or 1146681472 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10320133221 its reverse (12233102301), we get a palindrome (22553235522).

The spelling of 10320133221 in words is "ten billion, three hundred twenty million, one hundred thirty-three thousand, two hundred twenty-one".