11221200002222 has 96 divisors (see below), whose sum is σ = 20858155153920. Its totient is φ = 4498612715520.

The previous prime is 11221200002213. The next prime is 11221200002261. The reversal of 11221200002222 is 22220000212211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 11221200002222.

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 47 ways as a sum of consecutive naturals, for example, 363000947 + ... + 363031857.

It is an arithmetic number, because the mean of its divisors is an integer number (217272449520).

Almost surely, 2^{11221200002222} is an apocalyptic number.

11221200002222 is a deficient number, since it is larger than the sum of its proper divisors (9636955151698).

11221200002222 is a wasteful number, since it uses less digits than its factorization.

11221200002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32266 (or 32259 counting only the distinct ones).

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

Adding to 11221200002222 its reverse (22220000212211), we get a palindrome (33441200214433).

The spelling of 11221200002222 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, two thousand, two hundred twenty-two".