212021301133 has 2 divisors, whose sum is σ = 212021301134. Its totient is φ = 212021301132.

The previous prime is 212021301061. The next prime is 212021301157. The reversal of 212021301133 is 331103120212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108901320004 + 103119981129 = 330002^2 + 321123^2 .

It is a cyclic number.

It is not a de Polignac number, because 212021301133 - 2¹³ = 212021292941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212021301133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021401133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010650566 + 106010650567.

It is an arithmetic number, because the mean of its divisors is an integer number (106010650567).

Almost surely, 2^212021301133 is an apocalyptic number.

It is an amenable number.

212021301133 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021301133 is an equidigital number, since it uses as much as digits as its factorization.

212021301133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212021301133 its reverse (331103120212), we get a palindrome (543124421345).

The spelling of 212021301133 in words is "two hundred twelve billion, twenty-one million, three hundred one thousand, one hundred thirty-three".