2303321111221 has 8 divisors (see below), whose sum is σ = 2480511444320. Its totient is φ = 2126132461872.

The previous prime is 2303321111213. The next prime is 2303321111239. The reversal of 2303321111221 is 1221111233032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2303321111221 - 2³ = 2303321111213 is a prime.

It is a super-2 number, since 2×2303321111221² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2303321111192 and 2303321111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303321111251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5233450 + ... + 5656468.

It is an arithmetic number, because the mean of its divisors is an integer number (310063930540).

Almost surely, 2^{2303321111221} is an apocalyptic number.

It is an amenable number.

2303321111221 is a deficient number, since it is larger than the sum of its proper divisors (177190333099).

2303321111221 is a wasteful number, since it uses less digits than its factorization.

2303321111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841875.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2303321111221 its reverse (1221111233032), we get a palindrome (3524432344253).

The spelling of 2303321111221 in words is "two trillion, three hundred three billion, three hundred twenty-one million, one hundred eleven thousand, two hundred twenty-one".