233021033221 has 16 divisors (see below), whose sum is σ = 236168864064. Its totient is φ = 229889447424.

The previous prime is 233021033209. The next prime is 233021033227. The reversal of 233021033221 is 122330120332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233021033221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233021033192 and 233021033201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233021033227) 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, 71631031 + ... + 71634283.

It is an arithmetic number, because the mean of its divisors is an integer number (14760554004).

Almost surely, 2^233021033221 is an apocalyptic number.

It is an amenable number.

233021033221 is a deficient number, since it is larger than the sum of its proper divisors (3147830843).

233021033221 is a wasteful number, since it uses less digits than its factorization.

233021033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 233021033221 its reverse (122330120332), we get a palindrome (355351153553).

The spelling of 233021033221 in words is "two hundred thirty-three billion, twenty-one million, thirty-three thousand, two hundred twenty-one".