11000222220 has 96 divisors (see below), whose sum is σ = 33296643072. Its totient is φ = 2697401088.

The previous prime is 11000222209. The next prime is 11000222227. The reversal of 11000222220 is 2222200011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11000222196 and 11000222205.

It is not an unprimeable number, because it can be changed into a prime (11000222227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178329 + ... + 231951.

It is an arithmetic number, because the mean of its divisors is an integer number (346840032).

Almost surely, 2^11000222220 is an apocalyptic number.

11000222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11000222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16648321536).

11000222220 is an abundant number, since it is smaller than the sum of its proper divisors (22296420852).

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

11000222220 is a wasteful number, since it uses less digits than its factorization.

11000222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53911 (or 53909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11000222220 its reverse (2222200011), we get a palindrome (13222422231).

The spelling of 11000222220 in words is "eleven billion, two hundred twenty-two thousand, two hundred twenty".