10322100221 has 2 divisors, whose sum is σ = 10322100222. Its totient is φ = 10322100220.

The previous prime is 10322100211. The next prime is 10322100259. The reversal of 10322100221 is 12200122301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7463059321 + 2859040900 = 86389^2 + 53470^2 .

It is a cyclic number.

It is not a de Polignac number, because 10322100221 - 2¹⁸ = 10321838077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10322100196 and 10322100205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10322100211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5161050110 + 5161050111.

It is an arithmetic number, because the mean of its divisors is an integer number (5161050111).

Almost surely, 2^10322100221 is an apocalyptic number.

It is an amenable number.

10322100221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10322100221 is an equidigital number, since it uses as much as digits as its factorization.

10322100221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10322100221 its reverse (12200122301), we get a palindrome (22522222522).

The spelling of 10322100221 in words is "ten billion, three hundred twenty-two million, one hundred thousand, two hundred twenty-one".