133021013120111 has 4 divisors (see below), whose sum is σ = 133764147271800. Its totient is φ = 132277878968424.

The previous prime is 133021013120081. The next prime is 133021013120123. The reversal of 133021013120111 is 111021310120331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133021013120111 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 (133021013120911) 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, 371567075576 + ... + 371567075933.

It is an arithmetic number, because the mean of its divisors is an integer number (33441036817950).

Almost surely, 2^{133021013120111} is an apocalyptic number.

133021013120111 is a deficient number, since it is larger than the sum of its proper divisors (743134151689).

133021013120111 is an equidigital number, since it uses as much as digits as its factorization.

133021013120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743134151688.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 133021013120111 its reverse (111021310120331), we get a palindrome (244042323240442).

The spelling of 133021013120111 in words is "one hundred thirty-three trillion, twenty-one billion, thirteen million, one hundred twenty thousand, one hundred eleven".