133321233322121 has 6 divisors (see below), whose sum is σ = 144365595846030. Its totient is φ = 123065753835648.

The previous prime is 133321233322117. The next prime is 133321233322139. The reversal of 133321233322121 is 121223332123331.

It can be written as a sum of positive squares in 3 ways, for example, as 220341054025 + 133100892268096 = 469405^2 + 11536936^2 .

It is not a de Polignac number, because 133321233322121 - 2² = 133321233322117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133321233352121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 394441518536 + ... + 394441518873.

It is an arithmetic number, because the mean of its divisors is an integer number (24060932641005).

Almost surely, 2^{133321233322121} is an apocalyptic number.

It is an amenable number.

133321233322121 is a deficient number, since it is larger than the sum of its proper divisors (11044362523909).

133321233322121 is an equidigital number, since it uses as much as digits as its factorization.

133321233322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788883037435 (or 788883037422 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

Adding to 133321233322121 its reverse (121223332123331), we get a palindrome (254544565445452).

The spelling of 133321233322121 in words is "one hundred thirty-three trillion, three hundred twenty-one billion, two hundred thirty-three million, three hundred twenty-two thousand, one hundred twenty-one".