110101212218 has 4 divisors (see below), whose sum is σ = 165151818330. Its totient is φ = 55050606108.

The previous prime is 110101212211. The next prime is 110101212241. The reversal of 110101212218 is 812212101011.

It is a happy number.

110101212218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 107218918249 + 2882293969 = 327443^2 + 53687^2 .

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 110101212218.

It is not an unprimeable number, because it can be changed into a prime (110101212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525303053 + ... + 27525303056.

Almost surely, 2^110101212218 is an apocalyptic number.

110101212218 is a deficient number, since it is larger than the sum of its proper divisors (55050606112).

110101212218 is an equidigital number, since it uses as much as digits as its factorization.

110101212218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55050606111.

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

Adding to 110101212218 its reverse (812212101011), we get a palindrome (922313313229).

The spelling of 110101212218 in words is "one hundred ten billion, one hundred one million, two hundred twelve thousand, two hundred eighteen".