21132130005071 has 2 divisors, whose sum is σ = 21132130005072. Its totient is φ = 21132130005070.

The previous prime is 21132130005067. The next prime is 21132130005089. The reversal of 21132130005071 is 17050003123112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21132130005071 - 2² = 21132130005067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21132130005071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21132130005031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566065002535 + 10566065002536.

It is an arithmetic number, because the mean of its divisors is an integer number (10566065002536).

Almost surely, 2^{21132130005071} is an apocalyptic number.

21132130005071 is a deficient number, since it is larger than the sum of its proper divisors (1).

21132130005071 is an equidigital number, since it uses as much as digits as its factorization.

21132130005071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 21132130005071 its reverse (17050003123112), we get a palindrome (38182133128183).

The spelling of 21132130005071 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred thirty million, five thousand, seventy-one".