10331120221 has 2 divisors, whose sum is σ = 10331120222. Its totient is φ = 10331120220.

The previous prime is 10331120213. The next prime is 10331120227. The reversal of 10331120221 is 12202113301.

10331120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5776760025 + 4554360196 = 76005^2 + 67486^2 .

It is a cyclic number.

It is not a de Polignac number, because 10331120221 - 2³ = 10331120213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10331120195 and 10331120204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10331120227) 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 as a sum of consecutive naturals, namely, 5165560110 + 5165560111.

It is an arithmetic number, because the mean of its divisors is an integer number (5165560111).

Almost surely, 2^10331120221 is an apocalyptic number.

It is an amenable number.

10331120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10331120221 is an equidigital number, since it uses as much as digits as its factorization.

10331120221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10331120221 its reverse (12202113301), we get a palindrome (22533233522).

The spelling of 10331120221 in words is "ten billion, three hundred thirty-one million, one hundred twenty thousand, two hundred twenty-one".