22113330311321 has 4 divisors (see below), whose sum is σ = 22475843923044. Its totient is φ = 21750816699600.

The previous prime is 22113330311231. The next prime is 22113330311327. The reversal of 22113330311321 is 12311303331122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1767998374921 + 20345331936400 = 1329661^2 + 4510580^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113330311321 - 2³⁰ = 22112256569497 is a prime.

It is a super-2 number, since 2×22113330311321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113330311327) 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 3 ways as a sum of consecutive naturals, for example, 181256805770 + ... + 181256805891.

It is an arithmetic number, because the mean of its divisors is an integer number (5618960980761).

Almost surely, 2^{22113330311321} is an apocalyptic number.

It is an amenable number.

22113330311321 is a deficient number, since it is larger than the sum of its proper divisors (362513611723).

22113330311321 is an equidigital number, since it uses as much as digits as its factorization.

22113330311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362513611722.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 22113330311321 its reverse (12311303331122), we get a palindrome (34424633642443).

The spelling of 22113330311321 in words is "twenty-two trillion, one hundred thirteen billion, three hundred thirty million, three hundred eleven thousand, three hundred twenty-one".