211243123411 has 8 divisors (see below), whose sum is σ = 228870799344. Its totient is φ = 194193404160.

The previous prime is 211243123409. The next prime is 211243123417. The reversal of 211243123411 is 114321342112.

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 211243123411 - 2¹ = 211243123409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211243123417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144488410 + ... + 144489871.

It is an arithmetic number, because the mean of its divisors is an integer number (28608849918).

Almost surely, 2^211243123411 is an apocalyptic number.

211243123411 is a deficient number, since it is larger than the sum of its proper divisors (17627675933).

211243123411 is a wasteful number, since it uses less digits than its factorization.

211243123411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288978341.

The product of its digits is 1152, while the sum is 25.

Adding to 211243123411 its reverse (114321342112), we get a palindrome (325564465523).

The spelling of 211243123411 in words is "two hundred eleven billion, two hundred forty-three million, one hundred twenty-three thousand, four hundred eleven".