3121112220324 has 48 divisors (see below), whose sum is σ = 8331023234688. Its totient is φ = 890883065088.

The previous prime is 3121112220323. The next prime is 3121112220349. The reversal of 3121112220324 is 4230222111213.

It is a junction number, because it is equal to n+sod(n) for n = 3121112220294 and 3121112220303.

It is not an unprimeable number, because it can be changed into a prime (3121112220323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17897787 + ... + 18071330.

It is an arithmetic number, because the mean of its divisors is an integer number (173562984056).

Almost surely, 2^{3121112220324} is an apocalyptic number.

It is an amenable number.

3121112220324 is an abundant number, since it is smaller than the sum of its proper divisors (5209911014364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121112220324 is a wasteful number, since it uses less digits than its factorization.

3121112220324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35970164 (or 35970162 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 3121112220324 its reverse (4230222111213), we get a palindrome (7351334331537).

The spelling of 3121112220324 in words is "three trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, three hundred twenty-four".