206682011 has 2 divisors, whose sum is σ = 206682012. Its totient is φ = 206682010.

The previous prime is 206682001. The next prime is 206682013. The reversal of 206682011 is 110286602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206682011 - 2¹⁰ = 206680987 is a prime.

It is a Sophie Germain prime.

Together with 206682013, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_11428262 and since 206682011 and 11428262 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (206682013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103341005 + 103341006.

It is an arithmetic number, because the mean of its divisors is an integer number (103341006).

Almost surely, 2^206682011 is an apocalyptic number.

206682011 is a deficient number, since it is larger than the sum of its proper divisors (1).

206682011 is an equidigital number, since it uses as much as digits as its factorization.

206682011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 206682011 is about 14376.4394409742. The cubic root of 206682011 is about 591.2451068224.

The spelling of 206682011 in words is "two hundred six million, six hundred eighty-two thousand, eleven".