233210220121 has 2 divisors, whose sum is σ = 233210220122. Its totient is φ = 233210220120.

The previous prime is 233210220107. The next prime is 233210220157. The reversal of 233210220121 is 121022012332.

233210220121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203094435600 + 30115784521 = 450660^2 + 173539^2 .

It is a cyclic number.

It is not a de Polignac number, because 233210220121 - 2¹³ = 233210211929 is a prime.

It is not a weakly prime, because it can be changed into another prime (233210220421) 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 as a sum of consecutive naturals, namely, 116605110060 + 116605110061.

It is an arithmetic number, because the mean of its divisors is an integer number (116605110061).

Almost surely, 2^233210220121 is an apocalyptic number.

It is an amenable number.

233210220121 is a deficient number, since it is larger than the sum of its proper divisors (1).

233210220121 is an equidigital number, since it uses as much as digits as its factorization.

233210220121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 233210220121 its reverse (121022012332), we get a palindrome (354232232453).

The spelling of 233210220121 in words is "two hundred thirty-three billion, two hundred ten million, two hundred twenty thousand, one hundred twenty-one".