21110075351 has 2 divisors, whose sum is σ = 21110075352. Its totient is φ = 21110075350.

The previous prime is 21110075341. The next prime is 21110075359. The reversal of 21110075351 is 15357001112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21110075351 - 2¹⁰ = 21110074327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21110075351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21110075359) 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, 10555037675 + 10555037676.

It is an arithmetic number, because the mean of its divisors is an integer number (10555037676).

Almost surely, 2^21110075351 is an apocalyptic number.

21110075351 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110075351 is an equidigital number, since it uses as much as digits as its factorization.

21110075351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 26.

Adding to 21110075351 its reverse (15357001112), we get a palindrome (36467076463).

The spelling of 21110075351 in words is "twenty-one billion, one hundred ten million, seventy-five thousand, three hundred fifty-one".