11201102105021 has 2 divisors, whose sum is σ = 11201102105022. Its totient is φ = 11201102105020.

The previous prime is 11201102104991. The next prime is 11201102105059. The reversal of 11201102105021 is 12050120110211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10749309760996 + 451792344025 = 3278614^2 + 672155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201102105021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201102105071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600551052510 + 5600551052511.

It is an arithmetic number, because the mean of its divisors is an integer number (5600551052511).

Almost surely, 2^{11201102105021} is an apocalyptic number.

It is an amenable number.

11201102105021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201102105021 is an equidigital number, since it uses as much as digits as its factorization.

11201102105021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11201102105021 its reverse (12050120110211), we get a palindrome (23251222215232).

The spelling of 11201102105021 in words is "eleven trillion, two hundred one billion, one hundred two million, one hundred five thousand, twenty-one".