106211 has 4 divisors (see below), whose sum is σ = 121392. Its totient is φ = 91032.

The previous prime is 106207. The next prime is 106213. The reversal of 106211 is 112601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106211 - 2² = 106207 is a prime.

It is a super-2 number, since 2×106211² = 22561553042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106192 and 106201.

It is not an unprimeable number, because it can be changed into a prime (106213) 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, 7580 + ... + 7593.

It is an arithmetic number, because the mean of its divisors is an integer number (30348).

2¹⁰⁶²¹¹ is an apocalyptic number.

106211 is a deficient number, since it is larger than the sum of its proper divisors (15181).

106211 is an equidigital number, since it uses as much as digits as its factorization.

106211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 106211 is about 325.9002915003. The cubic root of 106211 is about 47.3576160974.

Adding to 106211 its reverse (112601), we get a palindrome (218812).

It can be divided in two parts, 106 and 211, that multiplied together give a triangular number (22366 = T₂₁₁).

The spelling of 106211 in words is "one hundred six thousand, two hundred eleven".