2331111323120 has 40 divisors (see below), whose sum is σ = 5420682262464. Its totient is φ = 932298561792.

The previous prime is 2331111323089. The next prime is 2331111323147. The reversal of 2331111323120 is 213231111332.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765784 + ... + 2789303.

Almost surely, 2^{2331111323120} is an apocalyptic number.

2331111323120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331111323120 is an abundant number, since it is smaller than the sum of its proper divisors (3089570939344).

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

2331111323120 is a wasteful number, since it uses less digits than its factorization.

2331111323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561497 (or 4561491 counting only the distinct ones).

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

Adding to 2331111323120 its reverse (213231111332), we get a palindrome (2544342434452).

The spelling of 2331111323120 in words is "two trillion, three hundred thirty-one billion, one hundred eleven million, three hundred twenty-three thousand, one hundred twenty".