3221113313123 has 4 divisors (see below), whose sum is σ = 3228450701520. Its totient is φ = 3213775924728.

The previous prime is 3221113313107. The next prime is 3221113313207. The reversal of 3221113313123 is 3213133111223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221113313123 - 2⁴ = 3221113313107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221113313092 and 3221113313101.

It is not an unprimeable number, because it can be changed into a prime (3221113313923) 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, 3668693540 + ... + 3668694417.

It is an arithmetic number, because the mean of its divisors is an integer number (807112675380).

Almost surely, 2^{3221113313123} is an apocalyptic number.

3221113313123 is a deficient number, since it is larger than the sum of its proper divisors (7337388397).

3221113313123 is an equidigital number, since it uses as much as digits as its factorization.

3221113313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337388396.

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

Adding to 3221113313123 its reverse (3213133111223), we get a palindrome (6434246424346).

The spelling of 3221113313123 in words is "three trillion, two hundred twenty-one billion, one hundred thirteen million, three hundred thirteen thousand, one hundred twenty-three".