10330232221 has 4 divisors (see below), whose sum is σ = 10350060444. Its totient is φ = 10310404000.

The previous prime is 10330232191. The next prime is 10330232233. The reversal of 10330232221 is 12223203301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12223203301 = 29 ⋅421489769.

It can be written as a sum of positive squares in 2 ways, for example, as 5804306596 + 4525925625 = 76186^2 + 67275^2 .

It is a cyclic number.

It is not a de Polignac number, because 10330232221 - 2⁷ = 10330232093 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 (10330232261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9913330 + ... + 9914371.

It is an arithmetic number, because the mean of its divisors is an integer number (2587515111).

Almost surely, 2^10330232221 is an apocalyptic number.

It is an amenable number.

10330232221 is a deficient number, since it is larger than the sum of its proper divisors (19828223).

10330232221 is an equidigital number, since it uses as much as digits as its factorization.

10330232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19828222.

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

Adding to 10330232221 its reverse (12223203301), we get a palindrome (22553435522).

The spelling of 10330232221 in words is "ten billion, three hundred thirty million, two hundred thirty-two thousand, two hundred twenty-one".