2186101 has 2 divisors, whose sum is σ = 2186102. Its totient is φ = 2186100.

The previous prime is 2186099. The next prime is 2186113. The reversal of 2186101 is 1016812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 998001 = 1090^2 + 999^2 .

It is a cyclic number.

It is not a de Polignac number, because 2186101 - 2¹ = 2186099 is a prime.

Together with 2186099, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₆₁₇₃₁ and since 2186101 and 161731 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2186141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093050 + 1093051.

It is an arithmetic number, because the mean of its divisors is an integer number (1093051).

2^2186101 is an apocalyptic number.

It is an amenable number.

2186101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2186101 is an equidigital number, since it uses as much as digits as its factorization.

2186101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 2186101 is about 1478.5469218121. The cubic root of 2186101 is about 129.7846731238.

The spelling of 2186101 in words is "two million, one hundred eighty-six thousand, one hundred one".