11201222220222 has 64 divisors (see below), whose sum is σ = 22908641817600. Its totient is φ = 3649583018880.

The previous prime is 11201222220217. The next prime is 11201222220241. The reversal of 11201222220222 is 22202222210211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 765678804 + ... + 765693432.

It is an arithmetic number, because the mean of its divisors is an integer number (357947528400).

Almost surely, 2^{11201222220222} is an apocalyptic number.

11201222220222 is an abundant number, since it is smaller than the sum of its proper divisors (11707419597378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11201222220222 is a wasteful number, since it uses less digits than its factorization.

11201222220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18001.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11201222220222 its reverse (22202222210211), we get a palindrome (33403444430433).

The spelling of 11201222220222 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".