102211 has 4 divisors (see below), whose sum is σ = 104632. Its totient is φ = 99792.

The previous prime is 102203. The next prime is 102217. The reversal of 102211 is 112201.

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 102211 - 2³ = 102203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102194 and 102203.

It is not an unprimeable number, because it can be changed into a prime (102217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (26158).

2¹⁰²²¹¹ is an apocalyptic number.

102211 is a deficient number, since it is larger than the sum of its proper divisors (2421).

102211 is an equidigital number, since it uses as much as digits as its factorization.

102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 102211 is about 319.7045511093. The cubic root of 102211 is about 46.7554827851.

Adding to 102211 its reverse (112201), we get a palindrome (214412).

It can be divided in two parts, 102 and 211, that added together give a palindrome (313).

The spelling of 102211 in words is "one hundred two thousand, two hundred eleven", and thus it is an iban number.