2066111 has 2 divisors, whose sum is σ = 2066112. Its totient is φ = 2066110.

The previous prime is 2066101. The next prime is 2066123. The reversal of 2066111 is 1116602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2066111 - 2¹⁰ = 2065087 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033055 + 1033056.

It is an arithmetic number, because the mean of its divisors is an integer number (1033056).

2^2066111 is an apocalyptic number.

2066111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066111 is an equidigital number, since it uses as much as digits as its factorization.

2066111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2066111 is about 1437.3973006793. The cubic root of 2066111 is about 127.3653274927.

The spelling of 2066111 in words is "two million, sixty-six thousand, one hundred eleven".