101118018 has 16 divisors (see below), whose sum is σ = 202363200. Its totient is φ = 33684816.

The previous prime is 101118007. The next prime is 101118049. The reversal of 101118018 is 810811101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101117985 and 101118003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7371 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (12647700).

Almost surely, 2^101118018 is an apocalyptic number.

101118018 is an abundant number, since it is smaller than the sum of its proper divisors (101245182).

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

101118018 is a wasteful number, since it uses less digits than its factorization.

101118018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601.

The product of its (nonzero) digits is 64, while the sum is 21.

The square root of 101118018 is about 10055.7455218397. The cubic root of 101118018 is about 465.8822699270.

Adding to 101118018 its reverse (810811101), we get a palindrome (911929119).

The spelling of 101118018 in words is "one hundred one million, one hundred eighteen thousand, eighteen".