109211 has 2 divisors, whose sum is σ = 109212. Its totient is φ = 109210.

The previous prime is 109201. The next prime is 109229. The reversal of 109211 is 112901.

It is a weak prime.

It is an emirp because it is prime and its reverse (112901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109211 - 2⁶ = 109147 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (109201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54605 + 54606.

It is an arithmetic number, because the mean of its divisors is an integer number (54606).

2¹⁰⁹²¹¹ is an apocalyptic number.

109211 is a deficient number, since it is larger than the sum of its proper divisors (1).

109211 is an equidigital number, since it uses as much as digits as its factorization.

109211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 109211 is about 330.4708761752. The cubic root of 109211 is about 47.7993650820.

The spelling of 109211 in words is "one hundred nine thousand, two hundred eleven".