11022100220 has 48 divisors (see below), whose sum is σ = 24045466368. Its totient is φ = 4239406080.

The previous prime is 11022100213. The next prime is 11022100277. The reversal of 11022100220 is 2200122011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40724 + ... + 153956.

It is an arithmetic number, because the mean of its divisors is an integer number (500947216).

Almost surely, 2^11022100220 is an apocalyptic number.

11022100220 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 11022100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12022733184).

11022100220 is an abundant number, since it is smaller than the sum of its proper divisors (13023366148).

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

11022100220 is a wasteful number, since it uses less digits than its factorization.

11022100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113430 (or 113428 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11022100220 its reverse (2200122011), we get a palindrome (13222222231).

The spelling of 11022100220 in words is "eleven billion, twenty-two million, one hundred thousand, two hundred twenty".