2331211321120 has 96 divisors (see below), whose sum is σ = 6215345680320. Its totient is φ = 818481699840.

The previous prime is 2331211321111. The next prime is 2331211321139. The reversal of 2331211321120 is 211231121332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2331211321091 and 2331211321100.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22786062 + ... + 22888141.

It is an arithmetic number, because the mean of its divisors is an integer number (64743184170).

Almost surely, 2^{2331211321120} is an apocalyptic number.

2331211321120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331211321120 is an abundant number, since it is smaller than the sum of its proper divisors (3884134359200).

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

2331211321120 is a wasteful number, since it uses less digits than its factorization.

2331211321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45674258 (or 45674250 counting only the distinct ones).

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

Adding to 2331211321120 its reverse (211231121332), we get a palindrome (2542442442452).

The spelling of 2331211321120 in words is "two trillion, three hundred thirty-one billion, two hundred eleven million, three hundred twenty-one thousand, one hundred twenty".