11220112118 has 16 divisors (see below), whose sum is σ = 17097829056. Its totient is φ = 5521170240.

The previous prime is 11220112117. The next prime is 11220112129. The reversal of 11220112118 is 81121102211.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220112118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220112117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16046 + ... + 150657.

It is an arithmetic number, because the mean of its divisors is an integer number (1068614316).

Almost surely, 2^11220112118 is an apocalyptic number.

11220112118 is a deficient number, since it is larger than the sum of its proper divisors (5877716938).

11220112118 is a wasteful number, since it uses less digits than its factorization.

11220112118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167239.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 11220112118 its reverse (81121102211), we get a palindrome (92341214329).

The spelling of 11220112118 in words is "eleven billion, two hundred twenty million, one hundred twelve thousand, one hundred eighteen".