111200222101218 has 16 divisors (see below), whose sum is σ = 222744185236800. Its totient is φ = 37009450528016.

The previous prime is 111200222101211. The next prime is 111200222101231. The reversal of 111200222101218 is 812101222002111.

111200222101218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (111200222101211) 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, 14322538893 + ... + 14322546656.

It is an arithmetic number, because the mean of its divisors is an integer number (13921511577300).

Almost surely, 2^{111200222101218} is an apocalyptic number.

111200222101218 is an abundant number, since it is smaller than the sum of its proper divisors (111543963135582).

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

111200222101218 is a wasteful number, since it uses less digits than its factorization.

111200222101218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28645086201.

The product of its (nonzero) digits is 256, while the sum is 24.

Adding to 111200222101218 its reverse (812101222002111), we get a palindrome (923301444103329).

The spelling of 111200222101218 in words is "one hundred eleven trillion, two hundred billion, two hundred twenty-two million, one hundred one thousand, two hundred eighteen".