211284338017 has 16 divisors (see below), whose sum is σ = 223759388160. Its totient is φ = 199178179200.

The previous prime is 211284338003. The next prime is 211284338033. The reversal of 211284338017 is 710833482112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211284338017 is a prime.

It is a super-2 number, since 2×211284338017² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211284338047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711463 + ... + 963715.

It is an arithmetic number, because the mean of its divisors is an integer number (13984961760).

Almost surely, 2^211284338017 is an apocalyptic number.

It is an amenable number.

211284338017 is a deficient number, since it is larger than the sum of its proper divisors (12475050143).

211284338017 is a wasteful number, since it uses less digits than its factorization.

211284338017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252984.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 211284338017 in words is "two hundred eleven billion, two hundred eighty-four million, three hundred thirty-eight thousand, seventeen".