211404012443 has 8 divisors (see below), whose sum is σ = 228668796048. Its totient is φ = 194282505504.

The previous prime is 211404012349. The next prime is 211404012481. The reversal of 211404012443 is 344210404112.

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 211404012443 - 2²⁰ = 211402963867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211404002443) 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, 35816096 + ... + 35821997.

It is an arithmetic number, because the mean of its divisors is an integer number (28583599506).

Almost surely, 2^211404012443 is an apocalyptic number.

211404012443 is a deficient number, since it is larger than the sum of its proper divisors (17264783605).

211404012443 is a wasteful number, since it uses less digits than its factorization.

211404012443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71638333.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211404012443 its reverse (344210404112), we get a palindrome (555614416555).

The spelling of 211404012443 in words is "two hundred eleven billion, four hundred four million, twelve thousand, four hundred forty-three".