2112126563243 has 8 divisors (see below), whose sum is σ = 2170288665600. Its totient is φ = 2054375500968.

The previous prime is 2112126563207. The next prime is 2112126563269. The reversal of 2112126563243 is 3423656212112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112126563243 - 2¹⁸ = 2112126301099 is a prime.

It is a super-2 number, since 2×2112126563243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112126563197 and 2112126563206.

It is not an unprimeable number, because it can be changed into a prime (2112126563203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102749603 + ... + 102770156.

It is an arithmetic number, because the mean of its divisors is an integer number (271286083200).

Almost surely, 2^{2112126563243} is an apocalyptic number.

2112126563243 is a deficient number, since it is larger than the sum of its proper divisors (58162102357).

2112126563243 is a wasteful number, since it uses less digits than its factorization.

2112126563243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205520041.

The product of its digits is 103680, while the sum is 38.

The spelling of 2112126563243 in words is "two trillion, one hundred twelve billion, one hundred twenty-six million, five hundred sixty-three thousand, two hundred forty-three".