212021212201133 has 2 divisors, whose sum is σ = 212021212201134. Its totient is φ = 212021212201132.

The previous prime is 212021212201129. The next prime is 212021212201213. The reversal of 212021212201133 is 331102212120212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165250973580004 + 46770238621129 = 12854998^2 + 6838877^2 .

It is a cyclic number.

It is not a de Polignac number, because 212021212201133 - 2² = 212021212201129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212021212201099 and 212021212201108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212024212201133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010606100566 + 106010606100567.

It is an arithmetic number, because the mean of its divisors is an integer number (106010606100567).

Almost surely, 2^{212021212201133} is an apocalyptic number.

It is an amenable number.

212021212201133 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021212201133 is an equidigital number, since it uses as much as digits as its factorization.

212021212201133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212021212201133 its reverse (331102212120212), we get a palindrome (543123424321345).

The spelling of 212021212201133 in words is "two hundred twelve trillion, twenty-one billion, two hundred twelve million, two hundred one thousand, one hundred thirty-three".