2112144015 has 16 divisors (see below), whose sum is σ = 3382466688. Its totient is φ = 1125464736.

The previous prime is 2112143993. The next prime is 2112144019. The reversal of 2112144015 is 5104412112.

It is not a de Polignac number, because 2112144015 - 2⁵ = 2112143983 is a prime.

It is a super-2 number, since 2×2112144015² = 8922304680200640450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112143982 and 2112144000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112144019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45849 + ... + 79538.

It is an arithmetic number, because the mean of its divisors is an integer number (211404168).

Almost surely, 2^2112144015 is an apocalyptic number.

2112144015 is a deficient number, since it is larger than the sum of its proper divisors (1270322673).

2112144015 is a wasteful number, since it uses less digits than its factorization.

2112144015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126518.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2112144015 is about 45958.0680076959. The cubic root of 2112144015 is about 1283.0428937759.

Adding to 2112144015 its reverse (5104412112), we get a palindrome (7216556127).

The spelling of 2112144015 in words is "two billion, one hundred twelve million, one hundred forty-four thousand, fifteen".