21325330134211 has 2 divisors, whose sum is σ = 21325330134212. Its totient is φ = 21325330134210.

The previous prime is 21325330134191. The next prime is 21325330134233. The reversal of 21325330134211 is 11243103352312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21325330134211 - 2⁵ = 21325330134179 is a prime.

It is not a weakly prime, because it can be changed into another prime (21325330134611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10662665067105 + 10662665067106.

It is an arithmetic number, because the mean of its divisors is an integer number (10662665067106).

Almost surely, 2^{21325330134211} is an apocalyptic number.

21325330134211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21325330134211 is an equidigital number, since it uses as much as digits as its factorization.

21325330134211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 21325330134211 its reverse (11243103352312), we get a palindrome (32568433486523).

The spelling of 21325330134211 in words is "twenty-one trillion, three hundred twenty-five billion, three hundred thirty million, one hundred thirty-four thousand, two hundred eleven".