112111210111 has 4 divisors (see below), whose sum is σ = 112256244792. Its totient is φ = 111966175432.

The previous prime is 112111210109. The next prime is 112111210117. The reversal of 112111210111 is 111012111211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112111210111 - 2¹ = 112111210109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112111210091 and 112111210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111210117) 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, 72516181 + ... + 72517726.

It is an arithmetic number, because the mean of its divisors is an integer number (28064061198).

Almost surely, 2^112111210111 is an apocalyptic number.

112111210111 is a deficient number, since it is larger than the sum of its proper divisors (145034681).

112111210111 is an equidigital number, since it uses as much as digits as its factorization.

112111210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145034680.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 112111210111 its reverse (111012111211), we get a palindrome (223123321322).

The spelling of 112111210111 in words is "one hundred twelve billion, one hundred eleven million, two hundred ten thousand, one hundred eleven".