11201212101271 has 2 divisors, whose sum is σ = 11201212101272. Its totient is φ = 11201212101270.

The previous prime is 11201212101269. The next prime is 11201212101293. The reversal of 11201212101271 is 17210121210211.

It is an a-pointer prime, because the next prime (11201212101293) can be obtained adding 11201212101271 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11201212101271 - 2¹ = 11201212101269 is a prime.

Together with 11201212101269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201212102271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600606050635 + 5600606050636.

It is an arithmetic number, because the mean of its divisors is an integer number (5600606050636).

Almost surely, 2^{11201212101271} is an apocalyptic number.

11201212101271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201212101271 is an equidigital number, since it uses as much as digits as its factorization.

11201212101271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 11201212101271 its reverse (17210121210211), we get a palindrome (28411333311482).

The spelling of 11201212101271 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred one thousand, two hundred seventy-one".