211132085 has 8 divisors (see below), whose sum is σ = 266693280. Its totient is φ = 160015824.

The previous prime is 211132081. The next prime is 211132091. The reversal of 211132085 is 580231112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211132085 - 2² = 211132081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211132085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211132081) 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, 1111127 + ... + 1111316.

It is an arithmetic number, because the mean of its divisors is an integer number (33336660).

Almost surely, 2^211132085 is an apocalyptic number.

It is an amenable number.

211132085 is a deficient number, since it is larger than the sum of its proper divisors (55561195).

211132085 is a wasteful number, since it uses less digits than its factorization.

211132085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222467.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 211132085 is about 14530.3848882265. The cubic root of 211132085 is about 595.4583808601.

Adding to 211132085 its reverse (580231112), we get a palindrome (791363197).

The spelling of 211132085 in words is "two hundred eleven million, one hundred thirty-two thousand, eighty-five".