112211121111 has 32 divisors (see below), whose sum is σ = 162840284928. Its totient is φ = 68443845120.

The previous prime is 112211121091. The next prime is 112211121119. The reversal of 112211121111 is 111121112211.

It is not a de Polignac number, because 112211121111 - 2⁹ = 112211120599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211121119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2169016 + ... + 2220146.

It is an arithmetic number, because the mean of its divisors is an integer number (5088758904).

Almost surely, 2^112211121111 is an apocalyptic number.

112211121111 is a deficient number, since it is larger than the sum of its proper divisors (50629163817).

112211121111 is a wasteful number, since it uses less digits than its factorization.

112211121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52351.

The product of its digits is 8, while the sum is 15.

Adding to 112211121111 its reverse (111121112211), we get a palindrome (223332233322).

The spelling of 112211121111 in words is "one hundred twelve billion, two hundred eleven million, one hundred twenty-one thousand, one hundred eleven".