233221113121 has 8 divisors (see below), whose sum is σ = 246396481920. Its totient is φ = 220387961808.

The previous prime is 233221113091. The next prime is 233221113143. The reversal of 233221113121 is 121311122332.

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 233221113121 - 2¹¹ = 233221111073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233221113092 and 233221113101.

It is not an unprimeable number, because it can be changed into a prime (233221111121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85552971 + ... + 85555696.

It is an arithmetic number, because the mean of its divisors is an integer number (30799560240).

Almost surely, 2^233221113121 is an apocalyptic number.

It is an amenable number.

233221113121 is a deficient number, since it is larger than the sum of its proper divisors (13175368799).

233221113121 is a wasteful number, since it uses less digits than its factorization.

233221113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171108743.

The product of its digits is 432, while the sum is 22.

Adding to 233221113121 its reverse (121311122332), we get a palindrome (354532235453).

The spelling of 233221113121 in words is "two hundred thirty-three billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred twenty-one".