2112103331345 has 32 divisors (see below), whose sum is σ = 2943028028160. Its totient is φ = 1425239101440.

The previous prime is 2112103331339. The next prime is 2112103331357. The reversal of 2112103331345 is 5431333012112.

It is not a de Polignac number, because 2112103331345 - 2²² = 2112099137041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 949472 + ... + 2264001.

It is an arithmetic number, because the mean of its divisors is an integer number (91969625880).

Almost surely, 2^{2112103331345} is an apocalyptic number.

It is an amenable number.

2112103331345 is a deficient number, since it is larger than the sum of its proper divisors (830924696815).

2112103331345 is a wasteful number, since it uses less digits than its factorization.

2112103331345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213785.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 2112103331345 its reverse (5431333012112), we get a palindrome (7543436343457).

The spelling of 2112103331345 in words is "two trillion, one hundred twelve billion, one hundred three million, three hundred thirty-one thousand, three hundred forty-five".