11221100022 has 32 divisors (see below), whose sum is σ = 25546855680. Its totient is φ = 3252492320.

The previous prime is 11221100017. The next prime is 11221100069. The reversal of 11221100022 is 22000112211.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11221099980 and 11221100007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3694497 + ... + 3697532.

It is an arithmetic number, because the mean of its divisors is an integer number (798339240).

Almost surely, 2^11221100022 is an apocalyptic number.

11221100022 is an abundant number, since it is smaller than the sum of its proper divisors (14325755658).

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

11221100022 is a wasteful number, since it uses less digits than its factorization.

11221100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392068.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11221100022 its reverse (22000112211), we get a palindrome (33221212233).

The spelling of 11221100022 in words is "eleven billion, two hundred twenty-one million, one hundred thousand, twenty-two".