1322221221023 has 2 divisors, whose sum is σ = 1322221221024. Its totient is φ = 1322221221022.

The previous prime is 1322221220989. The next prime is 1322221221047. The reversal of 1322221221023 is 3201221222231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1322221221023 - 2¹⁶ = 1322221155487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322221221023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322221226023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661110610511 + 661110610512.

It is an arithmetic number, because the mean of its divisors is an integer number (661110610512).

Almost surely, 2^{1322221221023} is an apocalyptic number.

1322221221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322221221023 is an equidigital number, since it uses as much as digits as its factorization.

1322221221023 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1322221221023 its reverse (3201221222231), we get a palindrome (4523442443254).

The spelling of 1322221221023 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-three".