11220403441 has 4 divisors (see below), whose sum is σ = 12083511412. Its totient is φ = 10357295472.

The previous prime is 11220403423. The next prime is 11220403451. The reversal of 11220403441 is 14430402211.

It is a happy number.

11220403441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14430402211 = 137 ⋅105331403.

It can be written as a sum of positive squares in 2 ways, for example, as 6935391841 + 4285011600 = 83279^2 + 65460^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220403441 - 2¹¹ = 11220401393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220403451) 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 in 3 ways as a sum of consecutive naturals, for example, 431553966 + ... + 431553991.

It is an arithmetic number, because the mean of its divisors is an integer number (3020877853).

Almost surely, 2^11220403441 is an apocalyptic number.

It is an amenable number.

11220403441 is a deficient number, since it is larger than the sum of its proper divisors (863107971).

11220403441 is an equidigital number, since it uses as much as digits as its factorization.

11220403441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863107970.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11220403441 its reverse (14430402211), we get a palindrome (25650805652).

The spelling of 11220403441 in words is "eleven billion, two hundred twenty million, four hundred three thousand, four hundred forty-one".