121011200320133 has 2 divisors, whose sum is σ = 121011200320134. Its totient is φ = 121011200320132.

The previous prime is 121011200320091. The next prime is 121011200320151. The reversal of 121011200320133 is 331023002110121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108323591411044 + 12687608909089 = 10407862^2 + 3561967^2 .

It is a cyclic number.

It is not a de Polignac number, because 121011200320133 - 2³⁴ = 120994020450949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121011200323133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505600160066 + 60505600160067.

It is an arithmetic number, because the mean of its divisors is an integer number (60505600160067).

Almost surely, 2^{121011200320133} is an apocalyptic number.

It is an amenable number.

121011200320133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011200320133 is an equidigital number, since it uses as much as digits as its factorization.

121011200320133 is an odious number, because the sum of its binary digits is odd.

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

Adding to 121011200320133 its reverse (331023002110121), we get a palindrome (452034202430254).

The spelling of 121011200320133 in words is "one hundred twenty-one trillion, eleven billion, two hundred million, three hundred twenty thousand, one hundred thirty-three".