233330122112221 has 4 divisors (see below), whose sum is σ = 233331205352512. Its totient is φ = 233329038871932.

The previous prime is 233330122112177. The next prime is 233330122112237. The reversal of 233330122112221 is 122211221033332.

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 233330122112221 - 2¹⁹ = 233330121587933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233330122112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233330122112251) 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, 541296981 + ... + 541727866.

It is an arithmetic number, because the mean of its divisors is an integer number (58332801338128).

Almost surely, 2^{233330122112221} is an apocalyptic number.

It is an amenable number.

233330122112221 is a deficient number, since it is larger than the sum of its proper divisors (1083240291).

233330122112221 is a wasteful number, since it uses less digits than its factorization.

233330122112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083240290.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 233330122112221 its reverse (122211221033332), we get a palindrome (355541343145553).

The spelling of 233330122112221 in words is "two hundred thirty-three trillion, three hundred thirty billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty-one".