112100111 has 2 divisors, whose sum is σ = 112100112. Its totient is φ = 112100110.

The previous prime is 112100099. The next prime is 112100143. The reversal of 112100111 is 111001211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112100111 - 2¹⁸ = 111837967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112103111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050055 + 56050056.

It is an arithmetic number, because the mean of its divisors is an integer number (56050056).

Almost surely, 2^112100111 is an apocalyptic number.

112100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100111 is an equidigital number, since it uses as much as digits as its factorization.

112100111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 112100111 is about 10587.7339879693. The cubic root of 112100111 is about 482.1720301554.

Adding to 112100111 its reverse (111001211), we get a palindrome (223101322).

It can be divided in two parts, 112100 and 111, that added together give a palindrome (112211).

The spelling of 112100111 in words is "one hundred twelve million, one hundred thousand, one hundred eleven".