116211 has 4 divisors (see below), whose sum is σ = 154952. Its totient is φ = 77472.

The previous prime is 116201. The next prime is 116239. The reversal of 116211 is 112611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112611 = 3 ⋅37537.

It is not a de Polignac number, because 116211 - 2¹⁵ = 83443 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19366 + ... + 19371.

It is an arithmetic number, because the mean of its divisors is an integer number (38738).

2¹¹⁶²¹¹ is an apocalyptic number.

116211 is a deficient number, since it is larger than the sum of its proper divisors (38741).

116211 is an equidigital number, since it uses as much as digits as its factorization.

116211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38740.

The product of its digits is 12, while the sum is 12.

The square root of 116211 is about 340.8973452522. The cubic root of 116211 is about 48.7995420095.

Adding to 116211 its reverse (112611), we get a palindrome (228822).

Subtracting from 116211 its reverse (112611), we obtain a square (3600 = 60²).

The spelling of 116211 in words is "one hundred sixteen thousand, two hundred eleven".