21214410302303 has 2 divisors, whose sum is σ = 21214410302304. Its totient is φ = 21214410302302.

The previous prime is 21214410302287. The next prime is 21214410302363. The reversal of 21214410302303 is 30320301441212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21214410302303 - 2⁴ = 21214410302287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21214410302363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607205151151 + 10607205151152.

It is an arithmetic number, because the mean of its divisors is an integer number (10607205151152).

Almost surely, 2^{21214410302303} is an apocalyptic number.

21214410302303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21214410302303 is an equidigital number, since it uses as much as digits as its factorization.

21214410302303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21214410302303 its reverse (30320301441212), we get a palindrome (51534711743515).

The spelling of 21214410302303 in words is "twenty-one trillion, two hundred fourteen billion, four hundred ten million, three hundred two thousand, three hundred three".