11221111102222 has 32 divisors (see below), whose sum is σ = 19281816253440. Its totient is φ = 4797642323040.

The previous prime is 11221111102217. The next prime is 11221111102241. The reversal of 11221111102222 is 22220111112211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11221111102222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162805104 + ... + 162874012.

It is an arithmetic number, because the mean of its divisors is an integer number (602556757920).

Almost surely, 2^{11221111102222} is an apocalyptic number.

11221111102222 is a deficient number, since it is larger than the sum of its proper divisors (8060705151218).

11221111102222 is a wasteful number, since it uses less digits than its factorization.

11221111102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96336.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11221111102222 its reverse (22220111112211), we get a palindrome (33441222214433).

The spelling of 11221111102222 in words is "eleven trillion, two hundred twenty-one billion, one hundred eleven million, one hundred two thousand, two hundred twenty-two".