133210022021 has 2 divisors, whose sum is σ = 133210022022. Its totient is φ = 133210022020.

The previous prime is 133210021951. The next prime is 133210022041. The reversal of 133210022021 is 120220012331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122773152100 + 10436869921 = 350390^2 + 102161^2 .

It is an emirp because it is prime and its reverse (120220012331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133210022021 - 2¹⁰ = 133210020997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133210022041) 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 as a sum of consecutive naturals, namely, 66605011010 + 66605011011.

It is an arithmetic number, because the mean of its divisors is an integer number (66605011011).

Almost surely, 2^133210022021 is an apocalyptic number.

It is an amenable number.

133210022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133210022021 is an equidigital number, since it uses as much as digits as its factorization.

133210022021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 133210022021 its reverse (120220012331), we get a palindrome (253430034352).

The spelling of 133210022021 in words is "one hundred thirty-three billion, two hundred ten million, twenty-two thousand, twenty-one".