3201122222321 has 2 divisors, whose sum is σ = 3201122222322. Its totient is φ = 3201122222320.

The previous prime is 3201122222251. The next prime is 3201122222371. The reversal of 3201122222321 is 1232222211023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1611467758096 + 1589654464225 = 1269436^2 + 1260815^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201122222321 - 2¹⁸ = 3201121960177 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201122222371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600561111160 + 1600561111161.

It is an arithmetic number, because the mean of its divisors is an integer number (1600561111161).

Almost surely, 2^{3201122222321} is an apocalyptic number.

It is an amenable number.

3201122222321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201122222321 is an equidigital number, since it uses as much as digits as its factorization.

3201122222321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 3201122222321 its reverse (1232222211023), we get a palindrome (4433344433344).

The spelling of 3201122222321 in words is "three trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty-one".