12101118 has 8 divisors (see below), whose sum is σ = 24202248. Its totient is φ = 4033704.

The previous prime is 12101099. The next prime is 12101123. The reversal of 12101118 is 81110121.

It is a sphenic number, since it is the product of 3 distinct primes.

12101118 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12101097 and 12101106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008421 + ... + 1008432.

It is an arithmetic number, because the mean of its divisors is an integer number (3025281).

Almost surely, 2^12101118 is an apocalyptic number.

12101118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12101118 is a wasteful number, since it uses less digits than its factorization.

12101118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016858.

The product of its (nonzero) digits is 16, while the sum is 15.

The square root of 12101118 is about 3478.6661236744. Note that the first 3 decimals coincide. The cubic root of 12101118 is about 229.5841129687.

Adding to 12101118 its reverse (81110121), we get a palindrome (93211239).

The spelling of 12101118 in words is "twelve million, one hundred one thousand, one hundred eighteen".