206101 has 4 divisors (see below), whose sum is σ = 235552. Its totient is φ = 176652.
The previous prime is 206083. The next prime is 206123. The reversal of 206101 is 101602.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 206101 - 25 = 206069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206191) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14715 + ... + 14728.
It is an arithmetic number, because the mean of its divisors is an integer number (58888).
2206101 is an apocalyptic number.
It is an amenable number.
206101 is a deficient number, since it is larger than the sum of its proper divisors (29451).
206101 is an equidigital number, since it uses as much as digits as its factorization.
206101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29450.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 206101 is about 453.9834798756. The cubic root of 206101 is about 59.0690563628.
Adding to 206101 its reverse (101602), we get a palindrome (307703).
The spelling of 206101 in words is "two hundred six thousand, one hundred one".
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