2222323213021 has 2 divisors, whose sum is σ = 2222323213022. Its totient is φ = 2222323213020.

The previous prime is 2222323213013. The next prime is 2222323213051. The reversal of 2222323213021 is 1203123232222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2131267132996 + 91056080025 = 1459886^2 + 301755^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222323213021 - 2³ = 2222323213013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222323213051) 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, 1111161606510 + 1111161606511.

It is an arithmetic number, because the mean of its divisors is an integer number (1111161606511).

Almost surely, 2^{2222323213021} is an apocalyptic number.

It is an amenable number.

2222323213021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222323213021 is an equidigital number, since it uses as much as digits as its factorization.

2222323213021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2222323213021 its reverse (1203123232222), we get a palindrome (3425446445243).

The spelling of 2222323213021 in words is "two trillion, two hundred twenty-two billion, three hundred twenty-three million, two hundred thirteen thousand, twenty-one".