2221323321023 has 2 divisors, whose sum is σ = 2221323321024. Its totient is φ = 2221323321022.

The previous prime is 2221323321001. The next prime is 2221323321083. The reversal of 2221323321023 is 3201233231222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221323321023 - 2⁸ = 2221323320767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221323320983 and 2221323321001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221323321083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110661660511 + 1110661660512.

It is an arithmetic number, because the mean of its divisors is an integer number (1110661660512).

Almost surely, 2^{2221323321023} is an apocalyptic number.

2221323321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221323321023 is an equidigital number, since it uses as much as digits as its factorization.

2221323321023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2221323321023 its reverse (3201233231222), we get a palindrome (5422556552245).

The spelling of 2221323321023 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-three million, three hundred twenty-one thousand, twenty-three".