133231122303221 has 8 divisors (see below), whose sum is σ = 133245529032000. Its totient is φ = 133216716251520.

The previous prime is 133231122303199. The next prime is 133231122303271. The reversal of 133231122303221 is 122303221132331.

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 133231122303221 - 2⁶ = 133231122303157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133231122303271) 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, 458432726 + ... + 458723256.

It is an arithmetic number, because the mean of its divisors is an integer number (16655691129000).

Almost surely, 2^{133231122303221} is an apocalyptic number.

It is an amenable number.

133231122303221 is a deficient number, since it is larger than the sum of its proper divisors (14406728779).

133231122303221 is a wasteful number, since it uses less digits than its factorization.

133231122303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338539.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 133231122303221 its reverse (122303221132331), we get a palindrome (255534343435552).

The spelling of 133231122303221 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, one hundred twenty-two million, three hundred three thousand, two hundred twenty-one".