233222332121 has 12 divisors (see below), whose sum is σ = 248166260892. Its totient is φ = 219133052928.

The previous prime is 233222332103. The next prime is 233222332127. The reversal of 233222332121 is 121233222332.

It can be written as a sum of positive squares in 6 ways, for example, as 39678648025 + 193543684096 = 199195^2 + 439936^2 .

It is a de Polignac number, because none of the positive numbers 2^k-233222332121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233222332127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509060 + ... + 851813.

It is an arithmetic number, because the mean of its divisors is an integer number (20680521741).

Almost surely, 2^233222332121 is an apocalyptic number.

It is an amenable number.

233222332121 is a deficient number, since it is larger than the sum of its proper divisors (14943928771).

233222332121 is a wasteful number, since it uses less digits than its factorization.

233222332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361500 (or 1361483 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

Adding to 233222332121 its reverse (121233222332), we get a palindrome (354455554453).

The spelling of 233222332121 in words is "two hundred thirty-three billion, two hundred twenty-two million, three hundred thirty-two thousand, one hundred twenty-one".