121320323332133 has 2 divisors, whose sum is σ = 121320323332134. Its totient is φ = 121320323332132.

The previous prime is 121320323332111. The next prime is 121320323332147. The reversal of 121320323332133 is 331233323023121.

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., 71352856431844 + 49967466900289 = 8447062^2 + 7068767^2 .

It is an emirp because it is prime and its reverse (331233323023121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121320323332133 - 2¹⁸ = 121320323069989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121320323332133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121320323332633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60660161666066 + 60660161666067.

It is an arithmetic number, because the mean of its divisors is an integer number (60660161666067).

Almost surely, 2^{121320323332133} is an apocalyptic number.

It is an amenable number.

121320323332133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121320323332133 is an equidigital number, since it uses as much as digits as its factorization.

121320323332133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 121320323332133 its reverse (331233323023121), we get a palindrome (452553646355254).

The spelling of 121320323332133 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twenty-three million, three hundred thirty-two thousand, one hundred thirty-three".