2112115340225 has 24 divisors (see below), whose sum is σ = 3007490558880. Its totient is φ = 1455237360000.

The previous prime is 2112115340131. The next prime is 2112115340287. The reversal of 2112115340225 is 5220435112112.

It is not a de Polignac number, because 2112115340225 - 2¹² = 2112115336129 is a prime.

It is a super-2 number, since 2×2112115340225² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 202111076 + ... + 202121525.

It is an arithmetic number, because the mean of its divisors is an integer number (125312106620).

Almost surely, 2^{2112115340225} is an apocalyptic number.

2112115340225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112115340225 is a deficient number, since it is larger than the sum of its proper divisors (895375218655).

2112115340225 is a wasteful number, since it uses less digits than its factorization.

2112115340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404232641 (or 404232636 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 2112115340225 in words is "two trillion, one hundred twelve billion, one hundred fifteen million, three hundred forty thousand, two hundred twenty-five".