111112113211 has 8 divisors (see below), whose sum is σ = 122920443648. Its totient is φ = 99588321000.

The previous prime is 111112113209. The next prime is 111112113247. The reversal of 111112113211 is 112311211111.

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

It is a cyclic number.

It is not a de Polignac number, because 111112113211 - 2¹ = 111112113209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112116211) 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, 71133735 + ... + 71135296.

It is an arithmetic number, because the mean of its divisors is an integer number (15365055456).

Almost surely, 2^111112113211 is an apocalyptic number.

111112113211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111112113211 is a deficient number, since it is larger than the sum of its proper divisors (11808330437).

111112113211 is a wasteful number, since it uses less digits than its factorization.

111112113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142269113.

The product of its digits is 12, while the sum is 16.

Adding to 111112113211 its reverse (112311211111), we get a palindrome (223423324322).

The spelling of 111112113211 in words is "one hundred eleven billion, one hundred twelve million, one hundred thirteen thousand, two hundred eleven".