21214041301 has 2 divisors, whose sum is σ = 21214041302. Its totient is φ = 21214041300.

The previous prime is 21214041287. The next prime is 21214041319. The reversal of 21214041301 is 10314041212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19157328100 + 2056713201 = 138410^2 + 45351^2 .

It is a cyclic number.

It is not a de Polignac number, because 21214041301 - 2⁵ = 21214041269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21214041001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607020650 + 10607020651.

It is an arithmetic number, because the mean of its divisors is an integer number (10607020651).

Almost surely, 2^21214041301 is an apocalyptic number.

It is an amenable number.

21214041301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21214041301 is an equidigital number, since it uses as much as digits as its factorization.

21214041301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21214041301 its reverse (10314041212), we get a palindrome (31528082513).

The spelling of 21214041301 in words is "twenty-one billion, two hundred fourteen million, forty-one thousand, three hundred one".