211421013302351 has 2 divisors, whose sum is σ = 211421013302352. Its totient is φ = 211421013302350.

The previous prime is 211421013302299. The next prime is 211421013302413. The reversal of 211421013302351 is 153203310124112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211421013302351 - 2¹⁰ = 211421013301327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211421013305351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105710506651175 + 105710506651176.

It is an arithmetic number, because the mean of its divisors is an integer number (105710506651176).

Almost surely, 2^{211421013302351} is an apocalyptic number.

211421013302351 is a deficient number, since it is larger than the sum of its proper divisors (1).

211421013302351 is an equidigital number, since it uses as much as digits as its factorization.

211421013302351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 211421013302351 its reverse (153203310124112), we get a palindrome (364624323426463).

The spelling of 211421013302351 in words is "two hundred eleven trillion, four hundred twenty-one billion, thirteen million, three hundred two thousand, three hundred fifty-one".