133132110323221 has 16 divisors (see below), whose sum is σ = 134338050000000. Its totient is φ = 131930509651776.

The previous prime is 133132110323213. The next prime is 133132110323237. The reversal of 133132110323221 is 122323011231331.

It is a cyclic number.

It is not a de Polignac number, because 133132110323221 - 2³ = 133132110323213 is a prime.

It is a super-2 number, since 2×133132110323221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133132110323221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133132110323291) 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 15 ways as a sum of consecutive naturals, for example, 228635955 + ... + 229217503.

It is an arithmetic number, because the mean of its divisors is an integer number (8396128125000).

Almost surely, 2^{133132110323221} is an apocalyptic number.

It is an amenable number.

133132110323221 is a deficient number, since it is larger than the sum of its proper divisors (1205939676779).

133132110323221 is a wasteful number, since it uses less digits than its factorization.

133132110323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585276.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 133132110323221 its reverse (122323011231331), we get a palindrome (255455121554552).

The spelling of 133132110323221 in words is "one hundred thirty-three trillion, one hundred thirty-two billion, one hundred ten million, three hundred twenty-three thousand, two hundred twenty-one".