233203311121 has 4 divisors (see below), whose sum is σ = 254403612144. Its totient is φ = 212003010100.

The previous prime is 233203311071. The next prime is 233203311163. The reversal of 233203311121 is 121113302332.

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 233203311121 - 2¹³ = 233203302929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233203311092 and 233203311101.

It is not an unprimeable number, because it can be changed into a prime (233203311421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10600150495 + ... + 10600150516.

It is an arithmetic number, because the mean of its divisors is an integer number (63600903036).

Almost surely, 2^233203311121 is an apocalyptic number.

It is an amenable number.

233203311121 is a deficient number, since it is larger than the sum of its proper divisors (21200301023).

233203311121 is a wasteful number, since it uses less digits than its factorization.

233203311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21200301022.

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

Adding to 233203311121 its reverse (121113302332), we get a palindrome (354316613453).

The spelling of 233203311121 in words is "two hundred thirty-three billion, two hundred three million, three hundred eleven thousand, one hundred twenty-one".