105220118 has 16 divisors (see below), whose sum is σ = 159168240. Its totient is φ = 52166400.

The previous prime is 105220111. The next prime is 105220127. The reversal of 105220118 is 811022501.

It is a happy number.

It is a super-2 number, since 2×105220118² = 22142546463867848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105220118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201698 + ... + 202218.

It is an arithmetic number, because the mean of its divisors is an integer number (9948015).

Almost surely, 2^105220118 is an apocalyptic number.

105220118 is a deficient number, since it is larger than the sum of its proper divisors (53948122).

105220118 is a wasteful number, since it uses less digits than its factorization.

105220118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 105220118 is about 10257.6858013881. The cubic root of 105220118 is about 472.0988343975.

Adding to 105220118 its reverse (811022501), we get a palindrome (916242619).

The spelling of 105220118 in words is "one hundred five million, two hundred twenty thousand, one hundred eighteen".