11222441281 has 2 divisors, whose sum is σ = 11222441282. Its totient is φ = 11222441280.

The previous prime is 11222441227. The next prime is 11222441317. The reversal of 11222441281 is 18214422211.

11222441281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11088090000 + 134351281 = 105300^2 + 11591^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222441281 - 2⁹ = 11222440769 is a prime.

It is a super-2 number, since 2×11222441281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11222441201) 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, 5611220640 + 5611220641.

It is an arithmetic number, because the mean of its divisors is an integer number (5611220641).

Almost surely, 2^11222441281 is an apocalyptic number.

It is an amenable number.

11222441281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222441281 is an equidigital number, since it uses as much as digits as its factorization.

11222441281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 28.

Adding to 11222441281 its reverse (18214422211), we get a palindrome (29436863492).

The spelling of 11222441281 in words is "eleven billion, two hundred twenty-two million, four hundred forty-one thousand, two hundred eighty-one".