11223122222 has 32 divisors (see below), whose sum is σ = 18331578720. Its totient is φ = 5122339200.

The previous prime is 11223122213. The next prime is 11223122257. The reversal of 11223122222 is 22222132211.

11223122222 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 = 11223122194 and 11223122203.

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 15 ways as a sum of consecutive naturals, for example, 2658029 + ... + 2662247.

It is an arithmetic number, because the mean of its divisors is an integer number (572861835).

Almost surely, 2^11223122222 is an apocalyptic number.

11223122222 is a deficient number, since it is larger than the sum of its proper divisors (7108456498).

11223122222 is a wasteful number, since it uses less digits than its factorization.

11223122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348.

The product of its digits is 384, while the sum is 20.

Adding to 11223122222 its reverse (22222132211), we get a palindrome (33445254433).

The spelling of 11223122222 in words is "eleven billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-two".