11223003211 has 4 divisors (see below), whose sum is σ = 12826289392. Its totient is φ = 9619717032.

The previous prime is 11223003179. The next prime is 11223003217. The reversal of 11223003211 is 11230032211.

11223003211 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.

It is a cyclic number.

It is not a de Polignac number, because 11223003211 - 2⁵ = 11223003179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11223003217) 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, 801643080 + ... + 801643093.

It is an arithmetic number, because the mean of its divisors is an integer number (3206572348).

Almost surely, 2^11223003211 is an apocalyptic number.

11223003211 is a deficient number, since it is larger than the sum of its proper divisors (1603286181).

11223003211 is an equidigital number, since it uses as much as digits as its factorization.

11223003211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603286180.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11223003211 its reverse (11230032211), we get a palindrome (22453035422).

The spelling of 11223003211 in words is "eleven billion, two hundred twenty-three million, three thousand, two hundred eleven".