133055445313021 has 16 divisors (see below), whose sum is σ = 166755828400128. Its totient is φ = 103136742802800.

The previous prime is 133055445313019. The next prime is 133055445313027. The reversal of 133055445313021 is 120313544550331.

It is not a de Polignac number, because 133055445313021 - 2¹ = 133055445313019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133055445313027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4523526645 + ... + 4523556058.

It is an arithmetic number, because the mean of its divisors is an integer number (10422239275008).

Almost surely, 2^{133055445313021} is an apocalyptic number.

133055445313021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133055445313021 is a deficient number, since it is larger than the sum of its proper divisors (33700383087107).

133055445313021 is a wasteful number, since it uses less digits than its factorization.

133055445313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9047082912.

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 133055445313021 its reverse (120313544550331), we get a palindrome (253368989863352).

The spelling of 133055445313021 in words is "one hundred thirty-three trillion, fifty-five billion, four hundred forty-five million, three hundred thirteen thousand, twenty-one".