2112321010104 has 48 divisors (see below), whose sum is σ = 5799237490800. Its totient is φ = 694461700224.

The previous prime is 2112321010099. The next prime is 2112321010127. The reversal of 2112321010104 is 4010101232112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200938524 + ... + 200949035.

It is an arithmetic number, because the mean of its divisors is an integer number (120817447725).

Almost surely, 2^{2112321010104} is an apocalyptic number.

2112321010104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2112321010104 is an abundant number, since it is smaller than the sum of its proper divisors (3686916480696).

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

2112321010104 is a wasteful number, since it uses less digits than its factorization.

2112321010104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401887644 (or 401887637 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2112321010104 its reverse (4010101232112), we get a palindrome (6122422242216).

The spelling of 2112321010104 in words is "two trillion, one hundred twelve billion, three hundred twenty-one million, ten thousand, one hundred four".