11221435249 has 2 divisors, whose sum is σ = 11221435250. Its totient is φ = 11221435248.

The previous prime is 11221435237. The next prime is 11221435261. The reversal of 11221435249 is 94253412211.

11221435249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11221435237) and next prime (11221435261).

It can be written as a sum of positive squares in only one way, i.e., 8728230625 + 2493204624 = 93425^2 + 49932^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221435249 - 2¹⁵ = 11221402481 is a prime.

It is not a weakly prime, because it can be changed into another prime (11221435279) 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, 5610717624 + 5610717625.

It is an arithmetic number, because the mean of its divisors is an integer number (5610717625).

Almost surely, 2^11221435249 is an apocalyptic number.

It is an amenable number.

11221435249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221435249 is an equidigital number, since it uses as much as digits as its factorization.

11221435249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The spelling of 11221435249 in words is "eleven billion, two hundred twenty-one million, four hundred thirty-five thousand, two hundred forty-nine".