112100218 has 4 divisors (see below), whose sum is σ = 168150330. Its totient is φ = 56050108.

The previous prime is 112100213. The next prime is 112100231. The reversal of 112100218 is 812001211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812001211 = 7 ⋅116000173.

It can be written as a sum of positive squares in only one way, i.e., 69105969 + 42994249 = 8313^2 + 6557^2 .

It is not an unprimeable number, because it can be changed into a prime (112100213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28025053 + ... + 28025056.

Almost surely, 2^112100218 is an apocalyptic number.

112100218 is a deficient number, since it is larger than the sum of its proper divisors (56050112).

112100218 is an equidigital number, since it uses as much as digits as its factorization.

112100218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56050111.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 112100218 is about 10587.7390409851. The cubic root of 112100218 is about 482.1721835670.

Adding to 112100218 its reverse (812001211), we get a palindrome (924101429).

The spelling of 112100218 in words is "one hundred twelve million, one hundred thousand, two hundred eighteen".