212111333333 has 8 divisors (see below), whose sum is σ = 213791972352. Its totient is φ = 210430858176.

The previous prime is 212111333321. The next prime is 212111333347. The reversal of 212111333333 is 333333111212.

212111333333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212111333333 - 2¹² = 212111329237 is a prime.

It is a Duffinian number.

212111333333 is a modest number, since divided by 333333 gives 212111 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111333633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4960541 + ... + 5003117.

It is an arithmetic number, because the mean of its divisors is an integer number (26723996544).

Almost surely, 2^212111333333 is an apocalyptic number.

It is an amenable number.

212111333333 is a deficient number, since it is larger than the sum of its proper divisors (1680639019).

212111333333 is a wasteful number, since it uses less digits than its factorization.

212111333333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81931.

The product of its digits is 2916, while the sum is 26.

Adding to 212111333333 its reverse (333333111212), we get a palindrome (545444444545).

The spelling of 212111333333 in words is "two hundred twelve billion, one hundred eleven million, three hundred thirty-three thousand, three hundred thirty-three".