11001000220 has 96 divisors (see below), whose sum is σ = 27985668480. Its totient is φ = 3546071040.

The previous prime is 11001000217. The next prime is 11001000221. The reversal of 11001000220 is 2200010011.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001000221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2923140 + ... + 2926900.

It is an arithmetic number, because the mean of its divisors is an integer number (291517380).

Almost surely, 2^11001000220 is an apocalyptic number.

11001000220 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 11001000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13992834240).

11001000220 is an abundant number, since it is smaller than the sum of its proper divisors (16984668260).

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

11001000220 is a wasteful number, since it uses less digits than its factorization.

11001000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 11001000220 its reverse (2200010011), we get a palindrome (13201010231).

The spelling of 11001000220 in words is "eleven billion, one million, two hundred twenty", and thus it is an aban number.