2331021210112 has 640 divisors, whose sum is σ = 6013315123200. Its totient is φ = 880220307456.

The previous prime is 2331021210103. The next prime is 2331021210149. The reversal of 2331021210112 is 2110121201332.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2331021210112.

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 63 ways as a sum of consecutive naturals, for example, 8236823923 + ... + 8236824205.

It is an arithmetic number, because the mean of its divisors is an integer number (9395804880).

Almost surely, 2^{2331021210112} 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 2331021210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3006657561600).

2331021210112 is an abundant number, since it is smaller than the sum of its proper divisors (3682293913088).

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

2331021210112 is a wasteful number, since it uses less digits than its factorization.

2331021210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2331021210112 its reverse (2110121201332), we get a palindrome (4441142411444).

The spelling of 2331021210112 in words is "two trillion, three hundred thirty-one billion, twenty-one million, two hundred ten thousand, one hundred twelve".