21300441103 has 2 divisors, whose sum is σ = 21300441104. Its totient is φ = 21300441102.

The previous prime is 21300441047. The next prime is 21300441121. The reversal of 21300441103 is 30114400312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21300441103 - 2²¹ = 21298343951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21300441133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650220551 + 10650220552.

It is an arithmetic number, because the mean of its divisors is an integer number (10650220552).

Almost surely, 2^21300441103 is an apocalyptic number.

21300441103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21300441103 is an equidigital number, since it uses as much as digits as its factorization.

21300441103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21300441103 its reverse (30114400312), we get a palindrome (51414841415).

The spelling of 21300441103 in words is "twenty-one billion, three hundred million, four hundred forty-one thousand, one hundred three".