2112104001345 has 16 divisors (see below), whose sum is σ = 3639317664192. Its totient is φ = 1039805046720.

The previous prime is 2112104001323. The next prime is 2112104001349. The reversal of 2112104001345 is 5431004012112.

It is not a de Polignac number, because 2112104001345 - 2⁵ = 2112104001313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112104001349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5415651091 + ... + 5415651480.

It is an arithmetic number, because the mean of its divisors is an integer number (227457354012).

Almost surely, 2^{2112104001345} is an apocalyptic number.

It is an amenable number.

2112104001345 is a deficient number, since it is larger than the sum of its proper divisors (1527213662847).

2112104001345 is a wasteful number, since it uses less digits than its factorization.

2112104001345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10831302592.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2112104001345 its reverse (5431004012112), we get a palindrome (7543108013457).

The spelling of 2112104001345 in words is "two trillion, one hundred twelve billion, one hundred four million, one thousand, three hundred forty-five".