2112421303 has 4 divisors (see below), whose sum is σ = 2113581888.
Its totient is φ = 2111260720.
The previous prime is 2112421291. The next prime is 2112421327. The reversal of 2112421303 is 3031242112.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2112421303 - 217 = 2112290231 is a prime.
It is a super-2 number, since 2×21124213032 = 8924647522736435618, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112421373) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 577558 + ... + 581203.
It is an arithmetic number, because the mean of its divisors is an integer number (528395472).
Almost surely, 22112421303 is an apocalyptic number.
2112421303 is a deficient number, since it is larger than the sum of its proper divisors (1160585).
2112421303 is a wasteful number, since it uses less digits than its factorization.
2112421303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1160584.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 2112421303 is about 45961.0846586544.
The cubic root of 2112421303 is about 1283.0990384371.
Adding to 2112421303 its reverse (3031242112), we get a palindrome (5143663415).
The spelling of 2112421303 in words is "two billion, one hundred twelve million, four hundred twenty-one thousand, three hundred three".