11110122018 has 24 divisors (see below), whose sum is σ = 24132581148. Its totient is φ = 3694043232.

The previous prime is 11110122011. The next prime is 11110122043. The reversal of 11110122018 is 81022101111.

11110122018 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10843681689 + 266440329 = 104133^2 + 16323^2 .

It is a super-2 number, since 2×11110122018² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11110122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770221 + ... + 784512.

Almost surely, 2^11110122018 is an apocalyptic number.

11110122018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11110122018 is an abundant number, since it is smaller than the sum of its proper divisors (13022459130).

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

11110122018 is a wasteful number, since it uses less digits than its factorization.

11110122018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555138 (or 1555135 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11110122018 its reverse (81022101111), we get a palindrome (92132223129).

The spelling of 11110122018 in words is "eleven billion, one hundred ten million, one hundred twenty-two thousand, eighteen".