2006111 has 2 divisors, whose sum is σ = 2006112. Its totient is φ = 2006110.

The previous prime is 2006093. The next prime is 2006141. The reversal of 2006111 is 1116002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006111 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2006092 and 2006101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003055 + 1003056.

It is an arithmetic number, because the mean of its divisors is an integer number (1003056).

2^2006111 is an apocalyptic number.

2006111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006111 is an equidigital number, since it uses as much as digits as its factorization.

2006111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2006111 is about 1416.3724792582. The cubic root of 2006111 is about 126.1202974729.

The spelling of 2006111 in words is "two million, six thousand, one hundred eleven".