133100023222021 has 2 divisors, whose sum is σ = 133100023222022. Its totient is φ = 133100023222020.

The previous prime is 133100023222009. The next prime is 133100023222063. The reversal of 133100023222021 is 120222320001331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104547148528900 + 28552874693121 = 10224830^2 + 5343489^2 .

It is an emirp because it is prime and its reverse (120222320001331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133100023222021 - 2⁵ = 133100023221989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133100023221983 and 133100023222001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133100023222091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66550011611010 + 66550011611011.

It is an arithmetic number, because the mean of its divisors is an integer number (66550011611011).

Almost surely, 2^{133100023222021} is an apocalyptic number.

It is an amenable number.

133100023222021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133100023222021 is an equidigital number, since it uses as much as digits as its factorization.

133100023222021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 133100023222021 its reverse (120222320001331), we get a palindrome (253322343223352).

The spelling of 133100023222021 in words is "one hundred thirty-three trillion, one hundred billion, twenty-three million, two hundred twenty-two thousand, twenty-one".