211172 has 24 divisors (see below), whose sum is σ = 413952. Its totient is φ = 93600.

The previous prime is 211153. The next prime is 211177. The reversal of 211172 is 271112.

211172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211172² = 89187227168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (17248).

2²¹¹¹⁷² is an apocalyptic number.

It is an amenable number.

211172 is a deficient number, since it is larger than the sum of its proper divisors (202780).

211172 is a wasteful number, since it uses less digits than its factorization.

211172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 177 counting only the distinct ones).

The product of its digits is 28, while the sum is 14.

The square root of 211172 is about 459.5345471235. The cubic root of 211172 is about 59.5495902749.

Adding to 211172 its reverse (271112), we get a palindrome (482284).

It can be divided in two parts, 211 and 172, that added together give a palindrome (383).

The spelling of 211172 in words is "two hundred eleven thousand, one hundred seventy-two", and thus it is an iban number.