21301332002011 has 2 divisors, whose sum is σ = 21301332002012. Its totient is φ = 21301332002010.

The previous prime is 21301332002009. The next prime is 21301332002023. The reversal of 21301332002011 is 11020023310312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21301332002011 - 2¹ = 21301332002009 is a prime.

Together with 21301332002009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21301332002011.

It is not a weakly prime, because it can be changed into another prime (21361332002011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650666001005 + 10650666001006.

It is an arithmetic number, because the mean of its divisors is an integer number (10650666001006).

Almost surely, 2^{21301332002011} is an apocalyptic number.

21301332002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

21301332002011 is an equidigital number, since it uses as much as digits as its factorization.

21301332002011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21301332002011 its reverse (11020023310312), we get a palindrome (32321355312323).

The spelling of 21301332002011 in words is "twenty-one trillion, three hundred one billion, three hundred thirty-two million, two thousand, eleven".