112120101218 has 8 divisors (see below), whose sum is σ = 168717469548. Its totient is φ = 55880944704.

The previous prime is 112120101211. The next prime is 112120101251. The reversal of 112120101218 is 812101021211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112095727249 + 24373969 = 334807^2 + 4937^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 112120101218.

It is not an unprimeable number, because it can be changed into a prime (112120101211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89552171 + ... + 89553422.

Almost surely, 2^112120101218 is an apocalyptic number.

112120101218 is a deficient number, since it is larger than the sum of its proper divisors (56597368330).

112120101218 is a wasteful number, since it uses less digits than its factorization.

112120101218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179105908.

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

Adding to 112120101218 its reverse (812101021211), we get a palindrome (924221122429).

The spelling of 112120101218 in words is "one hundred twelve billion, one hundred twenty million, one hundred one thousand, two hundred eighteen".