2202221102321 has 2 divisors, whose sum is σ = 2202221102322. Its totient is φ = 2202221102320.

The previous prime is 2202221102239. The next prime is 2202221102339. The reversal of 2202221102321 is 1232011222022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2117493535921 + 84727566400 = 1455161^2 + 291080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202221102321 - 2³⁰ = 2201147360497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202221102293 and 2202221102302.

It is not a weakly prime, because it can be changed into another prime (2202221107321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101110551160 + 1101110551161.

It is an arithmetic number, because the mean of its divisors is an integer number (1101110551161).

Almost surely, 2^{2202221102321} is an apocalyptic number.

It is an amenable number.

2202221102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202221102321 is an equidigital number, since it uses as much as digits as its factorization.

2202221102321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2202221102321 its reverse (1232011222022), we get a palindrome (3434232324343).

The spelling of 2202221102321 in words is "two trillion, two hundred two billion, two hundred twenty-one million, one hundred two thousand, three hundred twenty-one".