3113220233221 has 4 divisors (see below), whose sum is σ = 3557965980832. Its totient is φ = 2668474485612.

The previous prime is 3113220233219. The next prime is 3113220233237. The reversal of 3113220233221 is 1223320223113.

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 3113220233221 - 2¹ = 3113220233219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113220231221) 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, 222372873795 + ... + 222372873808.

It is an arithmetic number, because the mean of its divisors is an integer number (889491495208).

Almost surely, 2^{3113220233221} is an apocalyptic number.

It is an amenable number.

3113220233221 is a deficient number, since it is larger than the sum of its proper divisors (444745747611).

3113220233221 is an equidigital number, since it uses as much as digits as its factorization.

3113220233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444745747610.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 3113220233221 its reverse (1223320223113), we get a palindrome (4336540456334).

The spelling of 3113220233221 in words is "three trillion, one hundred thirteen billion, two hundred twenty million, two hundred thirty-three thousand, two hundred twenty-one".