21322100012011 has 16 divisors (see below), whose sum is σ = 21855570818400. Its totient is φ = 20790349332480.

The previous prime is 21322100011997. The next prime is 21322100012021. The reversal of 21322100012011 is 11021000122312.

It is a cyclic number.

It is not a de Polignac number, because 21322100012011 - 2¹⁹ = 21322099487723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21322100012021) 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 in 15 ways as a sum of consecutive naturals, for example, 177693811 + ... + 177813763.

It is an arithmetic number, because the mean of its divisors is an integer number (1365973176150).

Almost surely, 2^{21322100012011} is an apocalyptic number.

21322100012011 is a deficient number, since it is larger than the sum of its proper divisors (533470806389).

21322100012011 is a wasteful number, since it uses less digits than its factorization.

21322100012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127086.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21322100012011 its reverse (11021000122312), we get a palindrome (32343100134323).

The spelling of 21322100012011 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred million, twelve thousand, eleven".