211330533234344 has 32 divisors (see below), whose sum is σ = 400223356827840. Its totient is φ = 104604979468800.

The previous prime is 211330533234313. The next prime is 211330533234371. The reversal of 211330533234344 is 443432335033112.

It is a super-2 number, since 2×211330533234344² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39662762 + ... + 44674329.

It is an arithmetic number, because the mean of its divisors is an integer number (12506979900870).

Almost surely, 2^{211330533234344} is an apocalyptic number.

It is an amenable number.

211330533234344 is a deficient number, since it is larger than the sum of its proper divisors (188892823593496).

211330533234344 is a wasteful number, since it uses less digits than its factorization.

211330533234344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84340241 (or 84340237 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 41.

Adding to 211330533234344 its reverse (443432335033112), we get a palindrome (654762868267456).

The spelling of 211330533234344 in words is "two hundred eleven trillion, three hundred thirty billion, five hundred thirty-three million, two hundred thirty-four thousand, three hundred forty-four".