2120332111304 has 128 divisors (see below), whose sum is σ = 4627109733120. Its totient is φ = 900205363200.

The previous prime is 2120332111297. The next prime is 2120332111363. The reversal of 2120332111304 is 4031112330212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120332111304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206917109 + ... + 206927355.

It is an arithmetic number, because the mean of its divisors is an integer number (36149294790).

Almost surely, 2^{2120332111304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120332111304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313554866560).

2120332111304 is an abundant number, since it is smaller than the sum of its proper divisors (2506777621816).

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

2120332111304 is a wasteful number, since it uses less digits than its factorization.

2120332111304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319 (or 11315 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2120332111304 its reverse (4031112330212), we get a palindrome (6151444441516).

The spelling of 2120332111304 in words is "two trillion, one hundred twenty billion, three hundred thirty-two million, one hundred eleven thousand, three hundred four".