233230032211221 has 12 divisors (see below), whose sum is σ = 340946713755648. Its totient is φ = 153613354548264.

The previous prime is 233230032211133. The next prime is 233230032211223. The reversal of 233230032211221 is 122112230032332.

233230032211221 is a `hidden beast` number, since 2 + 3 + 3 + 2 + 300 + 322 + 1 + 12 + 21 = 666.

It is not a de Polignac number, because 233230032211221 - 2¹⁴ = 233230032194837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233230032211223) 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, 156111131925 + ... + 156111133418.

It is an arithmetic number, because the mean of its divisors is an integer number (28412226146304).

Almost surely, 2^{233230032211221} is an apocalyptic number.

It is an amenable number.

233230032211221 is a deficient number, since it is larger than the sum of its proper divisors (107716681544427).

233230032211221 is a wasteful number, since it uses less digits than its factorization.

233230032211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312222265432 (or 312222265429 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 233230032211221 its reverse (122112230032332), we get a palindrome (355342262243553).

The spelling of 233230032211221 in words is "two hundred thirty-three trillion, two hundred thirty billion, thirty-two million, two hundred eleven thousand, two hundred twenty-one".