233232221100121 has 4 divisors (see below), whose sum is σ = 233313856462132. Its totient is φ = 233150585738112.

The previous prime is 233232221100083. The next prime is 233232221100161. The reversal of 233232221100121 is 121001122232332.

233232221100121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93235168858896 + 139997052241225 = 9655836^2 + 11832035^2 .

It is a cyclic number.

It is not a de Polignac number, because 233232221100121 - 2²⁷ = 233232086882393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233232221100161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40817676720 + ... + 40817682433.

It is an arithmetic number, because the mean of its divisors is an integer number (58328464115533).

Almost surely, 2^{233232221100121} is an apocalyptic number.

It is an amenable number.

233232221100121 is a deficient number, since it is larger than the sum of its proper divisors (81635362011).

233232221100121 is an equidigital number, since it uses as much as digits as its factorization.

233232221100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81635362010.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 233232221100121 its reverse (121001122232332), we get a palindrome (354233343332453).

The spelling of 233232221100121 in words is "two hundred thirty-three trillion, two hundred thirty-two billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-one".