133331100123321 has 24 divisors (see below), whose sum is σ = 195492666096000. Its totient is φ = 87552786496032.

The previous prime is 133331100123293. The next prime is 133331100123373. The reversal of 133331100123321 is 123321001133331.

133331100123321 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 311 + 0 + 0 + 1 + 23 + 321 = 666.

It is not a de Polignac number, because 133331100123321 - 2²⁶ = 133331033014457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133331100128321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223480326 + ... + 224076143.

It is an arithmetic number, because the mean of its divisors is an integer number (8145527754000).

Almost surely, 2^{133331100123321} is an apocalyptic number.

It is an amenable number.

133331100123321 is a deficient number, since it is larger than the sum of its proper divisors (62161565972679).

133331100123321 is a wasteful number, since it uses less digits than its factorization.

133331100123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447556973 (or 447556970 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 133331100123321 its reverse (123321001133331), we get a palindrome (256652101256652).

The spelling of 133331100123321 in words is "one hundred thirty-three trillion, three hundred thirty-one billion, one hundred million, one hundred twenty-three thousand, three hundred twenty-one".