21410133271 has 2 divisors, whose sum is σ = 21410133272. Its totient is φ = 21410133270.

The previous prime is 21410133247. The next prime is 21410133317. The reversal of 21410133271 is 17233101412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21410133271 - 2²⁹ = 20873262359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21410136271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705066635 + 10705066636.

It is an arithmetic number, because the mean of its divisors is an integer number (10705066636).

Almost surely, 2^21410133271 is an apocalyptic number.

21410133271 is a deficient number, since it is larger than the sum of its proper divisors (1).

21410133271 is an equidigital number, since it uses as much as digits as its factorization.

21410133271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 21410133271 its reverse (17233101412), we get a palindrome (38643234683).

The spelling of 21410133271 in words is "twenty-one billion, four hundred ten million, one hundred thirty-three thousand, two hundred seventy-one".