2112809241 has 8 divisors (see below), whose sum is σ = 2817592000. Its totient is φ = 1408282992.

The previous prime is 2112809219. The next prime is 2112809243. The reversal of 2112809241 is 1429082112.

It is a happy number.

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

It is not a de Polignac number, because 2112809241 - 2²¹ = 2110712089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112809199 and 2112809208.

It is not an unprimeable number, because it can be changed into a prime (2112809243) 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, 44005 + ... + 78498.

It is an arithmetic number, because the mean of its divisors is an integer number (352199000).

Almost surely, 2^2112809241 is an apocalyptic number.

It is an amenable number.

2112809241 is a deficient number, since it is larger than the sum of its proper divisors (704782759).

2112809241 is a wasteful number, since it uses less digits than its factorization.

2112809241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128255.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2112809241 is about 45965.3047526066. The cubic root of 2112809241 is about 1283.1775790209.

The spelling of 2112809241 in words is "two billion, one hundred twelve million, eight hundred nine thousand, two hundred forty-one".