133123021113 has 32 divisors (see below), whose sum is σ = 180383164416. Its totient is φ = 87321120768.

The previous prime is 133123021111. The next prime is 133123021123. The reversal of 133123021113 is 311120321331.

It is a happy number.

It is not a de Polignac number, because 133123021113 - 2¹ = 133123021111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133123021113.

It is not an unprimeable number, because it can be changed into a prime (133123021111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20984220 + ... + 20990562.

It is an arithmetic number, because the mean of its divisors is an integer number (5636973888).

Almost surely, 2^133123021113 is an apocalyptic number.

It is an amenable number.

133123021113 is a deficient number, since it is larger than the sum of its proper divisors (47260143303).

133123021113 is a wasteful number, since it uses less digits than its factorization.

133123021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133123021113 its reverse (311120321331), we get a palindrome (444243342444).

The spelling of 133123021113 in words is "one hundred thirty-three billion, one hundred twenty-three million, twenty-one thousand, one hundred thirteen".