133044013221001 has 4 divisors (see below), whose sum is σ = 133071382905604. Its totient is φ = 133016643536400.

The previous prime is 133044013220969. The next prime is 133044013221109. The reversal of 133044013221001 is 100122310440331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 87034924221001 + 46009089000000 = 9329251^2 + 6783000^2 .

It is a cyclic number.

It is not a de Polignac number, because 133044013221001 - 2⁵ = 133044013220969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133044013251001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13684835010 + ... + 13684844731.

It is an arithmetic number, because the mean of its divisors is an integer number (33267845726401).

Almost surely, 2^{133044013221001} is an apocalyptic number.

It is an amenable number.

133044013221001 is a deficient number, since it is larger than the sum of its proper divisors (27369684603).

133044013221001 is an equidigital number, since it uses as much as digits as its factorization.

133044013221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27369684602.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 133044013221001 its reverse (100122310440331), we get a palindrome (233166323661332).

The spelling of 133044013221001 in words is "one hundred thirty-three trillion, forty-four billion, thirteen million, two hundred twenty-one thousand, one".