11223120441 has 32 divisors (see below), whose sum is σ = 16410199680. Its totient is φ = 6780556800.

The previous prime is 11223120439. The next prime is 11223120473. The reversal of 11223120441 is 14402132211.

It is not a de Polignac number, because 11223120441 - 2¹ = 11223120439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11223120341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1349506 + ... + 1357796.

It is an arithmetic number, because the mean of its divisors is an integer number (512818740).

Almost surely, 2^11223120441 is an apocalyptic number.

It is an amenable number.

11223120441 is a deficient number, since it is larger than the sum of its proper divisors (5187079239).

11223120441 is a wasteful number, since it uses less digits than its factorization.

11223120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8937.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11223120441 its reverse (14402132211), we get a palindrome (25625252652).

The spelling of 11223120441 in words is "eleven billion, two hundred twenty-three million, one hundred twenty thousand, four hundred forty-one".