11201201199971 has 2 divisors, whose sum is σ = 11201201199972. Its totient is φ = 11201201199970.

The previous prime is 11201201199967. The next prime is 11201201200027. The reversal of 11201201199971 is 17999110210211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11201201199971 - 2² = 11201201199967 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201201199911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600600599985 + 5600600599986.

It is an arithmetic number, because the mean of its divisors is an integer number (5600600599986).

Almost surely, 2^{11201201199971} is an apocalyptic number.

11201201199971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201201199971 is an equidigital number, since it uses as much as digits as its factorization.

11201201199971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 44.

The spelling of 11201201199971 in words is "eleven trillion, two hundred one billion, two hundred one million, one hundred ninety-nine thousand, nine hundred seventy-one".