211434412111 has 8 divisors (see below), whose sum is σ = 232543249344. Its totient is φ = 191017668000.

The previous prime is 211434412081. The next prime is 211434412151. The reversal of 211434412111 is 111214434112.

211434412111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211434412111 - 2⁹ = 211434411599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211434412151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173022640 + ... + 173023861.

It is an arithmetic number, because the mean of its divisors is an integer number (29067906168).

Almost surely, 2^211434412111 is an apocalyptic number.

211434412111 is a deficient number, since it is larger than the sum of its proper divisors (21108837233).

211434412111 is a wasteful number, since it uses less digits than its factorization.

211434412111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346046561.

The product of its digits is 768, while the sum is 25.

Adding to 211434412111 its reverse (111214434112), we get a palindrome (322648846223).

The spelling of 211434412111 in words is "two hundred eleven billion, four hundred thirty-four million, four hundred twelve thousand, one hundred eleven".