11101103118 has 48 divisors (see below), whose sum is σ = 28231388640. Its totient is φ = 3086019648.

The previous prime is 11101103113. The next prime is 11101103119. The reversal of 11101103118 is 81130110111.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11101103118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101103113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1185933 + ... + 1195256.

It is an arithmetic number, because the mean of its divisors is an integer number (588153930).

Almost surely, 2^11101103118 is an apocalyptic number.

11101103118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11101103118 is an abundant number, since it is smaller than the sum of its proper divisors (17130285522).

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

11101103118 is a wasteful number, since it uses less digits than its factorization.

11101103118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381241 (or 2381238 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 11101103118 its reverse (81130110111), we get a palindrome (92231213229).

The spelling of 11101103118 in words is "eleven billion, one hundred one million, one hundred three thousand, one hundred eighteen".