233230212121 has 8 divisors (see below), whose sum is σ = 236455944264. Its totient is φ = 230022451200.

The previous prime is 233230212077. The next prime is 233230212143. The reversal of 233230212121 is 121212032332.

233230212121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 183428041225 + 49802170896 = 428285^2 + 223164^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233230212121 - 2²⁵ = 233196657689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233230212092 and 233230212101.

It is not an unprimeable number, because it can be changed into a prime (233230212151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4466670 + ... + 4518583.

It is an arithmetic number, because the mean of its divisors is an integer number (29556993033).

Almost surely, 2^233230212121 is an apocalyptic number.

It is an amenable number.

233230212121 is a deficient number, since it is larger than the sum of its proper divisors (3225732143).

233230212121 is a wasteful number, since it uses less digits than its factorization.

233230212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8985611.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 233230212121 its reverse (121212032332), we get a palindrome (354442244453).

The spelling of 233230212121 in words is "two hundred thirty-three billion, two hundred thirty million, two hundred twelve thousand, one hundred twenty-one".