11143110220 has 144 divisors (see below), whose sum is σ = 26942842080. Its totient is φ = 3863157760.

The previous prime is 11143110163. The next prime is 11143110247. The reversal of 11143110220 is 2201134111.

It is a junction number, because it is equal to n+sod(n) for n = 11143110194 and 11143110203.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5823984 + ... + 5825896.

It is an arithmetic number, because the mean of its divisors is an integer number (187103070).

Almost surely, 2^11143110220 is an apocalyptic number.

11143110220 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 11143110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13471421040).

11143110220 is an abundant number, since it is smaller than the sum of its proper divisors (15799731860).

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

11143110220 is a wasteful number, since it uses less digits than its factorization.

11143110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11143110220 its reverse (2201134111), we get a palindrome (13344244331).

The spelling of 11143110220 in words is "eleven billion, one hundred forty-three million, one hundred ten thousand, two hundred twenty".