21132842092811 has 2 divisors, whose sum is σ = 21132842092812. Its totient is φ = 21132842092810.

The previous prime is 21132842092799. The next prime is 21132842092841. The reversal of 21132842092811 is 11829024823112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21132842092811 - 2¹⁰ = 21132842091787 is a prime.

It is not a weakly prime, because it can be changed into another prime (21132842092841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566421046405 + 10566421046406.

It is an arithmetic number, because the mean of its divisors is an integer number (10566421046406).

Almost surely, 2^{21132842092811} is an apocalyptic number.

21132842092811 is a deficient number, since it is larger than the sum of its proper divisors (1).

21132842092811 is an equidigital number, since it uses as much as digits as its factorization.

21132842092811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 21132842092811 in words is "twenty-one trillion, one hundred thirty-two billion, eight hundred forty-two million, ninety-two thousand, eight hundred eleven".