211404333242013 has 16 divisors (see below), whose sum is σ = 282712530422400. Its totient is φ = 140516189968896.

The previous prime is 211404333241951. The next prime is 211404333242023. The reversal of 211404333242013 is 310242333404112.

It is not a de Polignac number, because 211404333242013 - 2¹⁷ = 211404333110941 is a prime.

It is a super-2 number, since 2×211404333242013² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211404333242023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78922713 + ... + 81557361.

It is an arithmetic number, because the mean of its divisors is an integer number (17669533151400).

Almost surely, 2^{211404333242013} is an apocalyptic number.

It is an amenable number.

211404333242013 is a deficient number, since it is larger than the sum of its proper divisors (71308197180387).

211404333242013 is a wasteful number, since it uses less digits than its factorization.

211404333242013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714356.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 211404333242013 its reverse (310242333404112), we get a palindrome (521646666646125).

The spelling of 211404333242013 in words is "two hundred eleven trillion, four hundred four billion, three hundred thirty-three million, two hundred forty-two thousand, thirteen".