11110220220 has 96 divisors (see below), whose sum is σ = 34039869696. Its totient is φ = 2685196800.

The previous prime is 11110220213. The next prime is 11110220243. The reversal of 11110220220 is 2202201111.

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 = 11110220196 and 11110220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193032 + ... + 243888.

It is an arithmetic number, because the mean of its divisors is an integer number (354581976).

Almost surely, 2^11110220220 is an apocalyptic number.

11110220220 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 11110220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17019934848).

11110220220 is an abundant number, since it is smaller than the sum of its proper divisors (22929649476).

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

11110220220 is a wasteful number, since it uses less digits than its factorization.

11110220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51211 (or 51209 counting only the distinct ones).

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

Adding to 11110220220 its reverse (2202201111), we get a palindrome (13312421331).

The spelling of 11110220220 in words is "eleven billion, one hundred ten million, two hundred twenty thousand, two hundred twenty".