11223421441 has 2 divisors, whose sum is σ = 11223421442. Its totient is φ = 11223421440.

The previous prime is 11223421411. The next prime is 11223421483. The reversal of 11223421441 is 14412432211.

11223421441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10484940816 + 738480625 = 102396^2 + 27175^2 .

It is an emirp because it is prime and its reverse (14412432211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11223421441 - 2⁵ = 11223421409 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223421411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611710720 + 5611710721.

It is an arithmetic number, because the mean of its divisors is an integer number (5611710721).

Almost surely, 2^11223421441 is an apocalyptic number.

It is an amenable number.

11223421441 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223421441 is an equidigital number, since it uses as much as digits as its factorization.

11223421441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

Adding to 11223421441 its reverse (14412432211), we get a palindrome (25635853652).

The spelling of 11223421441 in words is "eleven billion, two hundred twenty-three million, four hundred twenty-one thousand, four hundred forty-one".