133300231121 has 2 divisors, whose sum is σ = 133300231122. Its totient is φ = 133300231120.

The previous prime is 133300231111. The next prime is 133300231147. The reversal of 133300231121 is 121132003331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121842883600 + 11457347521 = 349060^2 + 107039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133300231121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133300231093 and 133300231102.

It is not a weakly prime, because it can be changed into another prime (133300231111) 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 as a sum of consecutive naturals, namely, 66650115560 + 66650115561.

It is an arithmetic number, because the mean of its divisors is an integer number (66650115561).

Almost surely, 2^133300231121 is an apocalyptic number.

It is an amenable number.

133300231121 is a deficient number, since it is larger than the sum of its proper divisors (1).

133300231121 is an equidigital number, since it uses as much as digits as its factorization.

133300231121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133300231121 its reverse (121132003331), we get a palindrome (254432234452).

The spelling of 133300231121 in words is "one hundred thirty-three billion, three hundred million, two hundred thirty-one thousand, one hundred twenty-one".