233130321121 has 4 divisors (see below), whose sum is σ = 233134081200. Its totient is φ = 233126561044.

The previous prime is 233130321107. The next prime is 233130321133. The reversal of 233130321121 is 121123031332.

233130321121 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, 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 233130321121 - 2⁵ = 233130321089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233130321092 and 233130321101.

It is not an unprimeable number, because it can be changed into a prime (233130321421) 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 3 ways as a sum of consecutive naturals, for example, 1785451 + ... + 1911568.

It is an arithmetic number, because the mean of its divisors is an integer number (58283520300).

Almost surely, 2^233130321121 is an apocalyptic number.

It is an amenable number.

233130321121 is a deficient number, since it is larger than the sum of its proper divisors (3760079).

233130321121 is an equidigital number, since it uses as much as digits as its factorization.

233130321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760078.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 233130321121 its reverse (121123031332), we get a palindrome (354253352453).

The spelling of 233130321121 in words is "two hundred thirty-three billion, one hundred thirty million, three hundred twenty-one thousand, one hundred twenty-one".