133301233233221 has 16 divisors (see below), whose sum is σ = 136088787394560. Its totient is φ = 130544981199360.

The previous prime is 133301233233199. The next prime is 133301233233253. The reversal of 133301233233221 is 122332332103331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133301233233221 - 2¹⁸ = 133301232971077 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 (133301233233821) 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, 6693740 + ... + 17646773.

It is an arithmetic number, because the mean of its divisors is an integer number (8505549212160).

Almost surely, 2^{133301233233221} is an apocalyptic number.

It is an amenable number.

133301233233221 is a deficient number, since it is larger than the sum of its proper divisors (2787554161339).

133301233233221 is a wasteful number, since it uses less digits than its factorization.

133301233233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24341156.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 133301233233221 its reverse (122332332103331), we get a palindrome (255633565336552).

The spelling of 133301233233221 in words is "one hundred thirty-three trillion, three hundred one billion, two hundred thirty-three million, two hundred thirty-three thousand, two hundred twenty-one".