21244141303 has 16 divisors (see below), whose sum is σ = 26623454976. Its totient is φ = 16468093440.

The previous prime is 21244141301. The next prime is 21244141351. The reversal of 21244141303 is 30314144212.

It is a cyclic number.

It is not a de Polignac number, because 21244141303 - 2¹ = 21244141301 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 (21244141301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699901 + ... + 729622.

It is an arithmetic number, because the mean of its divisors is an integer number (1663965936).

Almost surely, 2^21244141303 is an apocalyptic number.

21244141303 is a deficient number, since it is larger than the sum of its proper divisors (5379313673).

21244141303 is a wasteful number, since it uses less digits than its factorization.

21244141303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429734.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21244141303 its reverse (30314144212), we get a palindrome (51558285515).

The spelling of 21244141303 in words is "twenty-one billion, two hundred forty-four million, one hundred forty-one thousand, three hundred three".