2133010020121 has 2 divisors, whose sum is σ = 2133010020122. Its totient is φ = 2133010020120.

The previous prime is 2133010020109. The next prime is 2133010020151. The reversal of 2133010020121 is 1210200103312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1945229931225 + 187780088896 = 1394715^2 + 433336^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133010020121 - 2¹⁹ = 2133009495833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133010020095 and 2133010020104.

It is not a weakly prime, because it can be changed into another prime (2133010020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066505010060 + 1066505010061.

It is an arithmetic number, because the mean of its divisors is an integer number (1066505010061).

Almost surely, 2^{2133010020121} is an apocalyptic number.

It is an amenable number.

2133010020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133010020121 is an equidigital number, since it uses as much as digits as its factorization.

2133010020121 is an evil number, because the sum of its binary digits is even.

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

Adding to 2133010020121 its reverse (1210200103312), we get a palindrome (3343210123433).

The spelling of 2133010020121 in words is "two trillion, one hundred thirty-three billion, ten million, twenty thousand, one hundred twenty-one".