121340425033 has 2 divisors, whose sum is σ = 121340425034. Its totient is φ = 121340425032.

The previous prime is 121340425027. The next prime is 121340425057. The reversal of 121340425033 is 330524043121.

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., 110481117769 + 10859307264 = 332387^2 + 104208^2 .

It is a cyclic number.

It is not a de Polignac number, because 121340425033 - 2²⁹ = 120803554121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121340424992 and 121340425010.

It is not a weakly prime, because it can be changed into another prime (121340425133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670212516 + 60670212517.

It is an arithmetic number, because the mean of its divisors is an integer number (60670212517).

Almost surely, 2^121340425033 is an apocalyptic number.

It is an amenable number.

121340425033 is a deficient number, since it is larger than the sum of its proper divisors (1).

121340425033 is an equidigital number, since it uses as much as digits as its factorization.

121340425033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 121340425033 its reverse (330524043121), we get a palindrome (451864468154).

The spelling of 121340425033 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty-five thousand, thirty-three".