102006211 has 2 divisors, whose sum is σ = 102006212. Its totient is φ = 102006210.

The previous prime is 102006209. The next prime is 102006217. The reversal of 102006211 is 112600201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102006211 - 2¹ = 102006209 is a prime.

Together with 102006209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 102006191 and 102006200.

It is not a weakly prime, because it can be changed into another prime (102006217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51003105 + 51003106.

It is an arithmetic number, because the mean of its divisors is an integer number (51003106).

Almost surely, 2^102006211 is an apocalyptic number.

102006211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102006211 is an equidigital number, since it uses as much as digits as its factorization.

102006211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 102006211 is about 10099.8124240008. The cubic root of 102006211 is about 467.2423562488.

Adding to 102006211 its reverse (112600201), we get a palindrome (214606412).

The spelling of 102006211 in words is "one hundred two million, six thousand, two hundred eleven".