112120111 has 2 divisors, whose sum is σ = 112120112. Its totient is φ = 112120110.

The previous prime is 112120109. The next prime is 112120139. The reversal of 112120111 is 111021211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112120111 - 2¹ = 112120109 is a prime.

Together with 112120109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112120181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060055 + 56060056.

It is an arithmetic number, because the mean of its divisors is an integer number (56060056).

Almost surely, 2^112120111 is an apocalyptic number.

112120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120111 is an equidigital number, since it uses as much as digits as its factorization.

112120111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 112120111 is about 10588.6784350078. The cubic root of 112120111 is about 482.2007035351.

Adding to 112120111 its reverse (111021211), we get a palindrome (223141322).

The spelling of 112120111 in words is "one hundred twelve million, one hundred twenty thousand, one hundred eleven".