211043041 has 4 divisors (see below), whose sum is σ = 230228784. Its totient is φ = 191857300.

The previous prime is 211042987. The next prime is 211043081. The reversal of 211043041 is 140340112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211043041 - 2¹⁷ = 210911969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211043081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9592855 + ... + 9592876.

It is an arithmetic number, because the mean of its divisors is an integer number (57557196).

Almost surely, 2^211043041 is an apocalyptic number.

It is an amenable number.

211043041 is a deficient number, since it is larger than the sum of its proper divisors (19185743).

211043041 is a wasteful number, since it uses less digits than its factorization.

211043041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19185742.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211043041 is about 14527.3205031072. The cubic root of 211043041 is about 595.3746584646.

Adding to 211043041 its reverse (140340112), we get a palindrome (351383153).

The spelling of 211043041 in words is "two hundred eleven million, forty-three thousand, forty-one".