21114042421303 has 4 divisors (see below), whose sum is σ = 22738199530648. Its totient is φ = 19489885311960.

The previous prime is 21114042421291. The next prime is 21114042421379. The reversal of 21114042421303 is 30312424041112.

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 21114042421303 - 2⁵ = 21114042421271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114042421603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812078554653 + ... + 812078554678.

It is an arithmetic number, because the mean of its divisors is an integer number (5684549882662).

Almost surely, 2^{21114042421303} is an apocalyptic number.

21114042421303 is a deficient number, since it is larger than the sum of its proper divisors (1624157109345).

21114042421303 is a wasteful number, since it uses less digits than its factorization.

21114042421303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624157109344.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 21114042421303 its reverse (30312424041112), we get a palindrome (51426466462415).

The spelling of 21114042421303 in words is "twenty-one trillion, one hundred fourteen billion, forty-two million, four hundred twenty-one thousand, three hundred three".