2112104240321 has 8 divisors (see below), whose sum is σ = 2119724006400. Its totient is φ = 2104492477248.

The previous prime is 2112104240299. The next prime is 2112104240339. The reversal of 2112104240321 is 1230424012112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112104240321 - 2¹⁴ = 2112104223937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112104240221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471721 + ... + 2527878.

It is an arithmetic number, because the mean of its divisors is an integer number (264965500800).

Almost surely, 2^{2112104240321} is an apocalyptic number.

It is an amenable number.

2112104240321 is a deficient number, since it is larger than the sum of its proper divisors (7619766079).

2112104240321 is a wasteful number, since it uses less digits than its factorization.

2112104240321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001503.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2112104240321 its reverse (1230424012112), we get a palindrome (3342528252433).

The spelling of 2112104240321 in words is "two trillion, one hundred twelve billion, one hundred four million, two hundred forty thousand, three hundred twenty-one".