212021033333 has 2 divisors, whose sum is σ = 212021033334. Its totient is φ = 212021033332.

The previous prime is 212021033321. The next prime is 212021033339. The reversal of 212021033333 is 333330120212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123775201489 + 88245831844 = 351817^2 + 297062^2 .

It is a cyclic number.

It is not a de Polignac number, because 212021033333 - 2⁴ = 212021033317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212021033299 and 212021033308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021033339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010516666 + 106010516667.

It is an arithmetic number, because the mean of its divisors is an integer number (106010516667).

Almost surely, 2^212021033333 is an apocalyptic number.

It is an amenable number.

212021033333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021033333 is an equidigital number, since it uses as much as digits as its factorization.

212021033333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 212021033333 its reverse (333330120212), we get a palindrome (545351153545).

The spelling of 212021033333 in words is "two hundred twelve billion, twenty-one million, thirty-three thousand, three hundred thirty-three".