21220014103 has 2 divisors, whose sum is σ = 21220014104. Its totient is φ = 21220014102.

The previous prime is 21220014097. The next prime is 21220014121. The reversal of 21220014103 is 30141002212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21220014103 - 2⁵ = 21220014071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21220014133) 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, 10610007051 + 10610007052.

It is an arithmetic number, because the mean of its divisors is an integer number (10610007052).

Almost surely, 2^21220014103 is an apocalyptic number.

21220014103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21220014103 is an equidigital number, since it uses as much as digits as its factorization.

21220014103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21220014103 its reverse (30141002212), we get a palindrome (51361016315).

The spelling of 21220014103 in words is "twenty-one billion, two hundred twenty million, fourteen thousand, one hundred three".