233233100221 has 4 divisors (see below), whose sum is σ = 254436109344. Its totient is φ = 212030091100.

The previous prime is 233233100207. The next prime is 233233100231. The reversal of 233233100221 is 122001332332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233233100221 - 2¹⁷ = 233232969149 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233233100192 and 233233100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233233100231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601504545 + ... + 10601504566.

It is an arithmetic number, because the mean of its divisors is an integer number (63609027336).

Almost surely, 2^233233100221 is an apocalyptic number.

It is an amenable number.

233233100221 is a deficient number, since it is larger than the sum of its proper divisors (21203009123).

233233100221 is a wasteful number, since it uses less digits than its factorization.

233233100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21203009122.

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

Adding to 233233100221 its reverse (122001332332), we get a palindrome (355234432553).

The spelling of 233233100221 in words is "two hundred thirty-three billion, two hundred thirty-three million, one hundred thousand, two hundred twenty-one".