121110218 has 8 divisors (see below), whose sum is σ = 191226720. Its totient is φ = 57367980.

The previous prime is 121110191. The next prime is 121110233. The reversal of 121110218 is 812011121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121110196 and 121110205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593518 + ... + 1593593.

It is an arithmetic number, because the mean of its divisors is an integer number (23903340).

Almost surely, 2^121110218 is an apocalyptic number.

121110218 is a deficient number, since it is larger than the sum of its proper divisors (70116502).

121110218 is a wasteful number, since it uses less digits than its factorization.

121110218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187132.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 121110218 is about 11005.0087687380. The cubic root of 121110218 is about 494.7588772245.

Adding to 121110218 its reverse (812011121), we get a palindrome (933121339).

The spelling of 121110218 in words is "one hundred twenty-one million, one hundred ten thousand, two hundred eighteen".