1113330312221 has 4 divisors (see below), whose sum is σ = 1113341191200. Its totient is φ = 1113319433244.

The previous prime is 1113330312179. The next prime is 1113330312257. The reversal of 1113330312221 is 1222130333111.

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 1113330312221 - 2¹⁴ = 1113330295837 is a prime.

It is a super-2 number, since 2×1113330312221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113330312121) 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, 5284511 + ... + 5491148.

It is an arithmetic number, because the mean of its divisors is an integer number (278335297800).

Almost surely, 2^{1113330312221} is an apocalyptic number.

It is an amenable number.

1113330312221 is a deficient number, since it is larger than the sum of its proper divisors (10878979).

1113330312221 is a wasteful number, since it uses less digits than its factorization.

1113330312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10878978.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1113330312221 its reverse (1222130333111), we get a palindrome (2335460645332).

The spelling of 1113330312221 in words is "one trillion, one hundred thirteen billion, three hundred thirty million, three hundred twelve thousand, two hundred twenty-one".