11222201222 has 8 divisors (see below), whose sum is σ = 16861690296. Its totient is φ = 5601637792.

The previous prime is 11222201219. The next prime is 11222201227. The reversal of 11222201222 is 22210222211.

It is a happy number.

11222201222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11222201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222201227) 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, 4729928 + ... + 4732299.

It is an arithmetic number, because the mean of its divisors is an integer number (2107711287).

Almost surely, 2^11222201222 is an apocalyptic number.

11222201222 is a deficient number, since it is larger than the sum of its proper divisors (5639489074).

11222201222 is an equidigital number, since it uses as much as digits as its factorization.

11222201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462822.

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

Adding to 11222201222 its reverse (22210222211), we get a palindrome (33432423433).

The spelling of 11222201222 in words is "eleven billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-two".