221332000133 has 2 divisors, whose sum is σ = 221332000134. Its totient is φ = 221332000132.

The previous prime is 221332000121. The next prime is 221332000151. The reversal of 221332000133 is 331000233122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116211446404 + 105120553729 = 340898^2 + 324223^2 .

It is a cyclic number.

It is not a de Polignac number, because 221332000133 - 2²⁰ = 221330951557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221332000193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110666000066 + 110666000067.

It is an arithmetic number, because the mean of its divisors is an integer number (110666000067).

Almost surely, 2^221332000133 is an apocalyptic number.

It is an amenable number.

221332000133 is a deficient number, since it is larger than the sum of its proper divisors (1).

221332000133 is an equidigital number, since it uses as much as digits as its factorization.

221332000133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 221332000133 its reverse (331000233122), we get a palindrome (552332233255).

The spelling of 221332000133 in words is "two hundred twenty-one billion, three hundred thirty-two million, one hundred thirty-three", and thus it is an aban number.