212021111333 has 16 divisors (see below), whose sum is σ = 217145596800. Its totient is φ = 206962753536.

The previous prime is 212021111329. The next prime is 212021111339. The reversal of 212021111333 is 333111120212.

It is a happy number.

212021111333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212021111333 - 2² = 212021111329 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021111339) 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 15 ways as a sum of consecutive naturals, for example, 3291368 + ... + 3355166.

It is an arithmetic number, because the mean of its divisors is an integer number (13571599800).

Almost surely, 2^212021111333 is an apocalyptic number.

It is an amenable number.

212021111333 is a deficient number, since it is larger than the sum of its proper divisors (5124485467).

212021111333 is a wasteful number, since it uses less digits than its factorization.

212021111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64316.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212021111333 its reverse (333111120212), we get a palindrome (545132231545).

The spelling of 212021111333 in words is "two hundred twelve billion, twenty-one million, one hundred eleven thousand, three hundred thirty-three".