211323330215 has 8 divisors (see below), whose sum is σ = 254092150368. Its totient is φ = 168722561440.

The previous prime is 211323330199. The next prime is 211323330307. The reversal of 211323330215 is 512033323112.

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

It is not a de Polignac number, because 211323330215 - 2⁴ = 211323330199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42010076 + ... + 42015105.

It is an arithmetic number, because the mean of its divisors is an integer number (31761518796).

Almost surely, 2^211323330215 is an apocalyptic number.

211323330215 is a deficient number, since it is larger than the sum of its proper divisors (42768820153).

211323330215 is an equidigital number, since it uses as much as digits as its factorization.

211323330215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84025689.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 211323330215 its reverse (512033323112), we get a palindrome (723356653327).

The spelling of 211323330215 in words is "two hundred eleven billion, three hundred twenty-three million, three hundred thirty thousand, two hundred fifteen".