11201112022021 has 2 divisors, whose sum is σ = 11201112022022. Its totient is φ = 11201112022020.

The previous prime is 11201112022019. The next prime is 11201112022043. The reversal of 11201112022021 is 12022021110211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11143672709796 + 57439312225 = 3338214^2 + 239665^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201112022021 - 2¹ = 11201112022019 is a prime.

Together with 11201112022019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11201112021986 and 11201112022004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201112026021) 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, 5600556011010 + 5600556011011.

It is an arithmetic number, because the mean of its divisors is an integer number (5600556011011).

Almost surely, 2^{11201112022021} is an apocalyptic number.

It is an amenable number.

11201112022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201112022021 is an equidigital number, since it uses as much as digits as its factorization.

11201112022021 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 16.

Adding to 11201112022021 its reverse (12022021110211), we get a palindrome (23223133132232).

The spelling of 11201112022021 in words is "eleven trillion, two hundred one billion, one hundred twelve million, twenty-two thousand, twenty-one".