133003231333221 has 16 divisors (see below), whose sum is σ = 177564211715520. Its totient is φ = 88555545014400.

The previous prime is 133003231333187. The next prime is 133003231333241. The reversal of 133003231333221 is 122333132300331.

It is not a de Polignac number, because 133003231333221 - 2¹⁸ = 133003231071077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133003231333241) 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, 58029046 + ... + 60277496.

It is an arithmetic number, because the mean of its divisors is an integer number (11097763232220).

Almost surely, 2^{133003231333221} is an apocalyptic number.

It is an amenable number.

133003231333221 is a deficient number, since it is larger than the sum of its proper divisors (44560980382299).

133003231333221 is a wasteful number, since it uses less digits than its factorization.

133003231333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273636.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 133003231333221 its reverse (122333132300331), we get a palindrome (255336363633552).

The spelling of 133003231333221 in words is "one hundred thirty-three trillion, three billion, two hundred thirty-one million, three hundred thirty-three thousand, two hundred twenty-one".