21202021200011 has 2 divisors, whose sum is σ = 21202021200012. Its totient is φ = 21202021200010.

The previous prime is 21202021200001. The next prime is 21202021200029. The reversal of 21202021200011 is 11000212020212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21202021200011 - 2²² = 21202017005707 is a prime.

It is not a weakly prime, because it can be changed into another prime (21202021200001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601010600005 + 10601010600006.

It is an arithmetic number, because the mean of its divisors is an integer number (10601010600006).

Almost surely, 2^{21202021200011} is an apocalyptic number.

21202021200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202021200011 is an equidigital number, since it uses as much as digits as its factorization.

21202021200011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21202021200011 its reverse (11000212020212), we get a palindrome (32202233220223).

The spelling of 21202021200011 in words is "twenty-one trillion, two hundred two billion, twenty-one million, two hundred thousand, eleven".