211133321312 has 48 divisors (see below), whose sum is σ = 440164558512. Its totient is φ = 99346759680.

The previous prime is 211133321291. The next prime is 211133321317. The reversal of 211133321312 is 213123331112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133321317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10218512 + ... + 10239152.

It is an arithmetic number, because the mean of its divisors is an integer number (9170094969).

Almost surely, 2^211133321312 is an apocalyptic number.

It is an amenable number.

211133321312 is an abundant number, since it is smaller than the sum of its proper divisors (229031237200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211133321312 is a wasteful number, since it uses less digits than its factorization.

211133321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39471 (or 39463 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 211133321312 its reverse (213123331112), we get a palindrome (424256652424).

The spelling of 211133321312 in words is "two hundred eleven billion, one hundred thirty-three million, three hundred twenty-one thousand, three hundred twelve".