133303112202121 has 4 divisors (see below), whose sum is σ = 133635538916244. Its totient is φ = 132970685488000.

The previous prime is 133303112202119. The next prime is 133303112202149. The reversal of 133303112202121 is 121202211303331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101585535471225 + 31717576730896 = 10078965^2 + 5631836^2 .

It is a cyclic number.

It is not a de Polignac number, because 133303112202121 - 2¹ = 133303112202119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133303112205121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166213356460 + ... + 166213357261.

It is an arithmetic number, because the mean of its divisors is an integer number (33408884729061).

Almost surely, 2^{133303112202121} is an apocalyptic number.

It is an amenable number.

133303112202121 is a deficient number, since it is larger than the sum of its proper divisors (332426714123).

133303112202121 is an equidigital number, since it uses as much as digits as its factorization.

133303112202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332426714122.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 133303112202121 its reverse (121202211303331), we get a palindrome (254505323505452).

The spelling of 133303112202121 in words is "one hundred thirty-three trillion, three hundred three billion, one hundred twelve million, two hundred two thousand, one hundred twenty-one".