2112145113 has 8 divisors (see below), whose sum is σ = 3032823808. Its totient is φ = 1299781584.

The previous prime is 2112145099. The next prime is 2112145117. The reversal of 2112145113 is 3115412112.

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

It is not a de Polignac number, because 2112145113 - 2⁴ = 2112145097 is a prime.

It is a super-2 number, since 2×2112145113² = 8922313956739565538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112145113.

It is not an unprimeable number, because it can be changed into a prime (2112145117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27078745 + ... + 27078822.

It is an arithmetic number, because the mean of its divisors is an integer number (379102976).

Almost surely, 2^2112145113 is an apocalyptic number.

It is an amenable number.

2112145113 is a deficient number, since it is larger than the sum of its proper divisors (920678695).

2112145113 is a wasteful number, since it uses less digits than its factorization.

2112145113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54157583.

The product of its digits is 240, while the sum is 21.

The square root of 2112145113 is about 45958.0799533662. The cubic root of 2112145113 is about 1283.0431161062.

Adding to 2112145113 its reverse (3115412112), we get a palindrome (5227557225).

The spelling of 2112145113 in words is "two billion, one hundred twelve million, one hundred forty-five thousand, one hundred thirteen".