11220211222 has 16 divisors (see below), whose sum is σ = 18365601744. Its totient is φ = 5098636000.

The previous prime is 11220211199. The next prime is 11220211267. The reversal of 11220211222 is 22211202211.

It is a happy number.

11220211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11220211196 and 11220211205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7572 + ... + 149992.

It is an arithmetic number, because the mean of its divisors is an integer number (1147850109).

Almost surely, 2^11220211222 is an apocalyptic number.

11220211222 is a deficient number, since it is larger than the sum of its proper divisors (7145390522).

11220211222 is a wasteful number, since it uses less digits than its factorization.

11220211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146015.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220211222 its reverse (22211202211), we get a palindrome (33431413433).

The spelling of 11220211222 in words is "eleven billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".