233201111121 has 48 divisors (see below), whose sum is σ = 382177685760. Its totient is φ = 135773314560.

The previous prime is 233201111107. The next prime is 233201111131. The reversal of 233201111121 is 121111102332.

233201111121 is a `hidden beast` number, since 233 + 201 + 111 + 121 = 666.

233201111121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 233201111121 - 2¹⁰ = 233201110097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233201111094 and 233201111103.

It is not an unprimeable number, because it can be changed into a prime (233201111131) 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 47 ways as a sum of consecutive naturals, for example, 113560 + ... + 692313.

It is an arithmetic number, because the mean of its divisors is an integer number (7962035120).

Almost surely, 2^233201111121 is an apocalyptic number.

It is an amenable number.

233201111121 is a deficient number, since it is larger than the sum of its proper divisors (148976574639).

233201111121 is a wasteful number, since it uses less digits than its factorization.

233201111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806006 (or 806003 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 233201111121 its reverse (121111102332), we get a palindrome (354312213453).

The spelling of 233201111121 in words is "two hundred thirty-three billion, two hundred one million, one hundred eleven thousand, one hundred twenty-one".