211234211 has 8 divisors (see below), whose sum is σ = 213326784. Its totient is φ = 209152000.

The previous prime is 211234201. The next prime is 211234213. The reversal of 211234211 is 112432112.

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 211234211 - 2²² = 207039907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211234211.

It is not an unprimeable number, because it can be changed into a prime (211234213) 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, 42086 + ... + 46836.

It is an arithmetic number, because the mean of its divisors is an integer number (26665848).

Almost surely, 2^211234211 is an apocalyptic number.

211234211 is a deficient number, since it is larger than the sum of its proper divisors (2092573).

211234211 is a wasteful number, since it uses less digits than its factorization.

211234211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181.

The product of its digits is 96, while the sum is 17.

The square root of 211234211 is about 14533.8986854870. The cubic root of 211234211 is about 595.5543744498.

Adding to 211234211 its reverse (112432112), we get a palindrome (323666323).

The spelling of 211234211 in words is "two hundred eleven million, two hundred thirty-four thousand, two hundred eleven".