133311200200121 has 2 divisors, whose sum is σ = 133311200200122. Its totient is φ = 133311200200120.

The previous prime is 133311200200111. The next prime is 133311200200187. The reversal of 133311200200121 is 121002002113331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78131262177721 + 55179938022400 = 8839189^2 + 7428320^2 .

It is a cyclic number.

It is not a de Polignac number, because 133311200200121 - 2¹⁰ = 133311200199097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133311200200093 and 133311200200102.

It is not a weakly prime, because it can be changed into another prime (133311200200111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655600100060 + 66655600100061.

It is an arithmetic number, because the mean of its divisors is an integer number (66655600100061).

Almost surely, 2^{133311200200121} is an apocalyptic number.

It is an amenable number.

133311200200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

133311200200121 is an equidigital number, since it uses as much as digits as its factorization.

133311200200121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 133311200200121 its reverse (121002002113331), we get a palindrome (254313202313452).

The spelling of 133311200200121 in words is "one hundred thirty-three trillion, three hundred eleven billion, two hundred million, two hundred thousand, one hundred twenty-one".