11222120222 has 8 divisors (see below), whose sum is σ = 16867465272. Its totient is φ = 5599631800.

The previous prime is 11222120183. The next prime is 11222120243. The reversal of 11222120222 is 22202122211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11222120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5712929 + ... + 5714892.

It is an arithmetic number, because the mean of its divisors is an integer number (2108433159).

Almost surely, 2^11222120222 is an apocalyptic number.

11222120222 is a deficient number, since it is larger than the sum of its proper divisors (5645345050).

11222120222 is a wasteful number, since it uses less digits than its factorization.

11222120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428314.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222120222 its reverse (22202122211), we get a palindrome (33424242433).

The spelling of 11222120222 in words is "eleven billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-two".