101611 has 2 divisors, whose sum is σ = 101612. Its totient is φ = 101610.

The previous prime is 101603. The next prime is 101627. The reversal of 101611 is 116101.

It is a weak prime.

It is an emirp because it is prime and its reverse (116101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101611 - 2³ = 101603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50805 + 50806.

It is an arithmetic number, because the mean of its divisors is an integer number (50806).

2¹⁰¹⁶¹¹ is an apocalyptic number.

101611 is a deficient number, since it is larger than the sum of its proper divisors (1).

101611 is an equidigital number, since it uses as much as digits as its factorization.

101611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 101611 is about 318.7648035778. The cubic root of 101611 is about 46.6638150185.

Adding to 101611 its reverse (116101), we get a palindrome (217712).

It can be divided in two parts, 10 and 1611, that multiplied together give a triangular number (16110 = T₁₇₉).

The spelling of 101611 in words is "one hundred one thousand, six hundred eleven".