112012111111 has 4 divisors (see below), whose sum is σ = 117907485400. Its totient is φ = 106116736824.

The previous prime is 112012111097. The next prime is 112012111153. The reversal of 112012111111 is 111111210211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111111210211 = 1789 ⋅62107999.

It is a cyclic number.

It is not a de Polignac number, because 112012111111 - 2⁷ = 112012110983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112012111091 and 112012111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012111171) 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, 2947687116 + ... + 2947687153.

It is an arithmetic number, because the mean of its divisors is an integer number (29476871350).

Almost surely, 2^112012111111 is an apocalyptic number.

112012111111 is a deficient number, since it is larger than the sum of its proper divisors (5895374289).

112012111111 is an equidigital number, since it uses as much as digits as its factorization.

112012111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895374288.

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

Adding to 112012111111 its reverse (111111210211), we get a palindrome (223123321322).

The spelling of 112012111111 in words is "one hundred twelve billion, twelve million, one hundred eleven thousand, one hundred eleven".