2121341043 has 8 divisors (see below), whose sum is σ = 2834988688. Its totient is φ = 1410960384.

The previous prime is 2121341029. The next prime is 2121341137. The reversal of 2121341043 is 3401431212.

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

It is not a de Polignac number, because 2121341043 - 2⁵ = 2121341011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121341003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815230 + ... + 817827.

It is an arithmetic number, because the mean of its divisors is an integer number (354373586).

Almost surely, 2^2121341043 is an apocalyptic number.

2121341043 is a deficient number, since it is larger than the sum of its proper divisors (713647645).

2121341043 is a wasteful number, since it uses less digits than its factorization.

2121341043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633493.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2121341043 is about 46058.0182270145. The cubic root of 2121341043 is about 1284.9024726761.

Adding to 2121341043 its reverse (3401431212), we get a palindrome (5522772255).

The spelling of 2121341043 in words is "two billion, one hundred twenty-one million, three hundred forty-one thousand, forty-three".