133023204132221 has 8 divisors (see below), whose sum is σ = 143255875139160. Its totient is φ = 122790549817152.

The previous prime is 133023204132197. The next prime is 133023204132227. The reversal of 133023204132221 is 122231402320331.

It can be written as a sum of positive squares in 4 ways, for example, as 17958948121 + 133005245184100 = 134011^2 + 11532790^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133023204132221 - 2⁶ = 133023204132157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023204132227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15985415 + ... + 22838123.

It is an arithmetic number, because the mean of its divisors is an integer number (17906984392395).

Almost surely, 2^{133023204132221} is an apocalyptic number.

It is an amenable number.

133023204132221 is a deficient number, since it is larger than the sum of its proper divisors (10232671006939).

133023204132221 is a wasteful number, since it uses less digits than its factorization.

133023204132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345935.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 133023204132221 its reverse (122231402320331), we get a palindrome (255254606452552).

The spelling of 133023204132221 in words is "one hundred thirty-three trillion, twenty-three billion, two hundred four million, one hundred thirty-two thousand, two hundred twenty-one".