234222133121 has 4 divisors (see below), whose sum is σ = 236541164244. Its totient is φ = 231903102000.

The previous prime is 234222133109. The next prime is 234222133147. The reversal of 234222133121 is 121331222432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121131841600 + 113090291521 = 348040^2 + 336289^2 .

It is a cyclic number.

It is not a de Polignac number, because 234222133121 - 2²² = 234217938817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234222133921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159515410 + ... + 1159515611.

It is an arithmetic number, because the mean of its divisors is an integer number (59135291061).

Almost surely, 2^234222133121 is an apocalyptic number.

It is an amenable number.

234222133121 is a deficient number, since it is larger than the sum of its proper divisors (2319031123).

234222133121 is a wasteful number, since it uses less digits than its factorization.

234222133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319031122.

The product of its digits is 3456, while the sum is 26.

Adding to 234222133121 its reverse (121331222432), we get a palindrome (355553355553).

The spelling of 234222133121 in words is "two hundred thirty-four billion, two hundred twenty-two million, one hundred thirty-three thousand, one hundred twenty-one".