16206220211 has 2 divisors, whose sum is σ = 16206220212. Its totient is φ = 16206220210.

The previous prime is 16206220193. The next prime is 16206220213. The reversal of 16206220211 is 11202260261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16206220211 is a prime.

Together with 16206220213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16206220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8103110105 + 8103110106.

It is an arithmetic number, because the mean of its divisors is an integer number (8103110106).

Almost surely, 2^16206220211 is an apocalyptic number.

16206220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

16206220211 is an equidigital number, since it uses as much as digits as its factorization.

16206220211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 16206220211 its reverse (11202260261), we get a palindrome (27408480472).

The spelling of 16206220211 in words is "sixteen billion, two hundred six million, two hundred twenty thousand, two hundred eleven".