21214410300303 has 16 divisors (see below), whose sum is σ = 30863775760896. Its totient is φ = 12854530160640.

The previous prime is 21214410300271. The next prime is 21214410300329. The reversal of 21214410300303 is 30300301441212.

It is a happy number.

It is not a de Polignac number, because 21214410300303 - 2⁵ = 21214410300271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214410302303) 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, 67044850 + ... + 67360527.

It is an arithmetic number, because the mean of its divisors is an integer number (1928985985056).

Almost surely, 2^{21214410300303} is an apocalyptic number.

21214410300303 is a deficient number, since it is larger than the sum of its proper divisors (9649365460593).

21214410300303 is a wasteful number, since it uses less digits than its factorization.

21214410300303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134410174.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21214410300303 its reverse (30300301441212), we get a palindrome (51514711741515).

The spelling of 21214410300303 in words is "twenty-one trillion, two hundred fourteen billion, four hundred ten million, three hundred thousand, three hundred three".