133330123111111 has 4 divisors (see below), whose sum is σ = 133334276859000. Its totient is φ = 133325969363224.

The previous prime is 133330123111069. The next prime is 133330123111121. The reversal of 133330123111111 is 111111321033331.

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

It is a cyclic number.

It is not a de Polignac number, because 133330123111111 - 2²⁵ = 133330089556679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133330123111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076825796 + ... + 2076889993.

It is an arithmetic number, because the mean of its divisors is an integer number (33333569214750).

Almost surely, 2^{133330123111111} is an apocalyptic number.

133330123111111 is a deficient number, since it is larger than the sum of its proper divisors (4153747889).

133330123111111 is an equidigital number, since it uses as much as digits as its factorization.

133330123111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153747888.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 133330123111111 its reverse (111111321033331), we get a palindrome (244441444144442).

The spelling of 133330123111111 in words is "one hundred thirty-three trillion, three hundred thirty billion, one hundred twenty-three million, one hundred eleven thousand, one hundred eleven".