11220001110 has 96 divisors (see below), whose sum is σ = 30455568000. Its totient is φ = 2862252288.

The previous prime is 11220001109. The next prime is 11220001127. The reversal of 11220001110 is 1110002211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11220001092 and 11220001101.

It is a congruent number.

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, 264771 + ... + 304209.

It is an arithmetic number, because the mean of its divisors is an integer number (317245500).

Almost surely, 2^11220001110 is an apocalyptic number.

11220001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220001110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15227784000).

11220001110 is an abundant number, since it is smaller than the sum of its proper divisors (19235566890).

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

11220001110 is a wasteful number, since it uses less digits than its factorization.

11220001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39590 (or 39587 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11220001110 its reverse (1110002211), we get a palindrome (12330003321).

The spelling of 11220001110 in words is "eleven billion, two hundred twenty million, one thousand, one hundred ten".