3111223123120 has 80 divisors (see below), whose sum is σ = 8267223363840. Its totient is φ = 1066671643392.

The previous prime is 3111223123111. The next prime is 3111223123153. The reversal of 3111223123120 is 213213221113.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 3111223123091 and 3111223123100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23500471 + ... + 23632489.

It is an arithmetic number, because the mean of its divisors is an integer number (103340292048).

Almost surely, 2^{3111223123120} is an apocalyptic number.

It is an amenable number.

3111223123120 is an abundant number, since it is smaller than the sum of its proper divisors (5156000240720).

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

3111223123120 is a wasteful number, since it uses less digits than its factorization.

3111223123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174122 (or 174116 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3111223123120 its reverse (213213221113), we get a palindrome (3324436344233).

The spelling of 3111223123120 in words is "three trillion, one hundred eleven billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred twenty".