111163102206 has 64 divisors (see below), whose sum is σ = 242910538752. Its totient is φ = 33707342592.

The previous prime is 111163102181. The next prime is 111163102231. The reversal of 111163102206 is 602201361111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111163102181) and next prime (111163102231).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7411791 + ... + 7426773.

It is an arithmetic number, because the mean of its divisors is an integer number (3795477168).

Almost surely, 2^111163102206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111163102206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121455269376).

111163102206 is an abundant number, since it is smaller than the sum of its proper divisors (131747436546).

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

111163102206 is a wasteful number, since it uses less digits than its factorization.

111163102206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16377.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 111163102206 its reverse (602201361111), we get a palindrome (713364463317).

The spelling of 111163102206 in words is "one hundred eleven billion, one hundred sixty-three million, one hundred two thousand, two hundred six".