121201020000133 has 2 divisors, whose sum is σ = 121201020000134. Its totient is φ = 121201020000132.

The previous prime is 121201020000091. The next prime is 121201020000149. The reversal of 121201020000133 is 331000020102121.

It is an a-pointer prime, because the next prime (121201020000149) can be obtained adding 121201020000133 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83735639915524 + 37465380084609 = 9150718^2 + 6120897^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201020000133 - 2²¹ = 121201017902981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201020000433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600510000066 + 60600510000067.

It is an arithmetic number, because the mean of its divisors is an integer number (60600510000067).

Almost surely, 2^{121201020000133} is an apocalyptic number.

It is an amenable number.

121201020000133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201020000133 is an equidigital number, since it uses as much as digits as its factorization.

121201020000133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121201020000133 its reverse (331000020102121), we get a palindrome (452201040102254).

The spelling of 121201020000133 in words is "one hundred twenty-one trillion, two hundred one billion, twenty million, one hundred thirty-three", and thus it is an aban number.