2202221107321 has 2 divisors, whose sum is σ = 2202221107322. Its totient is φ = 2202221107320.

The previous prime is 2202221107277. The next prime is 2202221107357. The reversal of 2202221107321 is 1237011222022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1352717868096 + 849503239225 = 1163064^2 + 921685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202221107321 - 2¹⁵ = 2202221074553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2202221102321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101110553660 + 1101110553661.

It is an arithmetic number, because the mean of its divisors is an integer number (1101110553661).

Almost surely, 2^{2202221107321} is an apocalyptic number.

It is an amenable number.

2202221107321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202221107321 is an equidigital number, since it uses as much as digits as its factorization.

2202221107321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 2202221107321 its reverse (1237011222022), we get a palindrome (3439232329343).

The spelling of 2202221107321 in words is "two trillion, two hundred two billion, two hundred twenty-one million, one hundred seven thousand, three hundred twenty-one".