11221013443 has 16 divisors (see below), whose sum is σ = 11617870176. Its totient is φ = 10830758400.

The previous prime is 11221013431. The next prime is 11221013509. The reversal of 11221013443 is 34431012211.

11221013443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11221013443 - 2⁹ = 11221012931 is a prime.

It is a super-2 number, since 2×11221013443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221017443) 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 15 ways as a sum of consecutive naturals, for example, 2573221 + ... + 2577577.

It is an arithmetic number, because the mean of its divisors is an integer number (726116886).

Almost surely, 2^11221013443 is an apocalyptic number.

11221013443 is a deficient number, since it is larger than the sum of its proper divisors (396856733).

11221013443 is a wasteful number, since it uses less digits than its factorization.

11221013443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11221013443 its reverse (34431012211), we get a palindrome (45652025654).

The spelling of 11221013443 in words is "eleven billion, two hundred twenty-one million, thirteen thousand, four hundred forty-three".