233333220012221 has 48 divisors (see below), whose sum is σ = 283694010163200. Its totient is φ = 190990881053280.

The previous prime is 233333220012169. The next prime is 233333220012229. The reversal of 233333220012221 is 122210022333332.

It is not a de Polignac number, because 233333220012221 - 2⁶ = 233333220012157 is a prime.

It is a super-2 number, since 2×233333220012221² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233333220012229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1720082420 + ... + 1720218066.

It is an arithmetic number, because the mean of its divisors is an integer number (5910291878400).

Almost surely, 2^{233333220012221} is an apocalyptic number.

It is an amenable number.

233333220012221 is a deficient number, since it is larger than the sum of its proper divisors (50360790150979).

233333220012221 is a wasteful number, since it uses less digits than its factorization.

233333220012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138174 (or 138167 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 233333220012221 its reverse (122210022333332), we get a palindrome (355543242345553).

The spelling of 233333220012221 in words is "two hundred thirty-three trillion, three hundred thirty-three billion, two hundred twenty million, twelve thousand, two hundred twenty-one".