11221002222 has 8 divisors (see below), whose sum is σ = 22442004456. Its totient is φ = 3740334072.

The previous prime is 11221002209. The next prime is 11221002227. The reversal of 11221002222 is 22220012211.

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

11221002222 is an admirable number.

It is a super-2 number, since 2×11221002222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221002227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935083513 + ... + 935083524.

It is an arithmetic number, because the mean of its divisors is an integer number (2805250557).

Almost surely, 2^11221002222 is an apocalyptic number.

11221002222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11221002222 is a wasteful number, since it uses less digits than its factorization.

11221002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870167042.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11221002222 its reverse (22220012211), we get a palindrome (33441014433).

The spelling of 11221002222 in words is "eleven billion, two hundred twenty-one million, two thousand, two hundred twenty-two".