211330032211 has 4 divisors (see below), whose sum is σ = 211524449152. Its totient is φ = 211135615272.

The previous prime is 211330032209. The next prime is 211330032293. The reversal of 211330032211 is 112230033112.

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 211330032211 - 2¹ = 211330032209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211330032311) 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, 97206840 + ... + 97209013.

It is an arithmetic number, because the mean of its divisors is an integer number (52881112288).

Almost surely, 2^211330032211 is an apocalyptic number.

211330032211 is a deficient number, since it is larger than the sum of its proper divisors (194416941).

211330032211 is a wasteful number, since it uses less digits than its factorization.

211330032211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194416940.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211330032211 its reverse (112230033112), we get a palindrome (323560065323).

Subtracting from 211330032211 its reverse (112230033112), we obtain a palindrome (99099999099).

The spelling of 211330032211 in words is "two hundred eleven billion, three hundred thirty million, thirty-two thousand, two hundred eleven".