111102122018 has 8 divisors (see below), whose sum is σ = 166912365648. Its totient is φ = 55464666804.

The previous prime is 111102122011. The next prime is 111102122057. The reversal of 111102122018 is 810221201111.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (111102122011) by changing a digit.

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, 43195496 + ... + 43198067.

It is an arithmetic number, because the mean of its divisors is an integer number (20864045706).

Almost surely, 2^111102122018 is an apocalyptic number.

111102122018 is a deficient number, since it is larger than the sum of its proper divisors (55810243630).

111102122018 is an equidigital number, since it uses as much as digits as its factorization.

111102122018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86394208.

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

Adding to 111102122018 its reverse (810221201111), we get a palindrome (921323323129).

The spelling of 111102122018 in words is "one hundred eleven billion, one hundred two million, one hundred twenty-two thousand, eighteen".