411223443221 has 2 divisors, whose sum is σ = 411223443222. Its totient is φ = 411223443220.

The previous prime is 411223443217. The next prime is 411223443229. The reversal of 411223443221 is 122344322114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388828320721 + 22395122500 = 623561^2 + 149650^2 .

It is a cyclic number.

It is not a de Polignac number, because 411223443221 - 2² = 411223443217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411223443229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205611721610 + 205611721611.

It is an arithmetic number, because the mean of its divisors is an integer number (205611721611).

Almost surely, 2^411223443221 is an apocalyptic number.

It is an amenable number.

411223443221 is a deficient number, since it is larger than the sum of its proper divisors (1).

411223443221 is an equidigital number, since it uses as much as digits as its factorization.

411223443221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 29.

Adding to 411223443221 its reverse (122344322114), we get a palindrome (533567765335).

The spelling of 411223443221 in words is "four hundred eleven billion, two hundred twenty-three million, four hundred forty-three thousand, two hundred twenty-one".