11201012210191 has 2 divisors, whose sum is σ = 11201012210192. Its totient is φ = 11201012210190.

The previous prime is 11201012210149. The next prime is 11201012210261. The reversal of 11201012210191 is 19101221010211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11201012210191 - 2³³ = 11192422275599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201012210291) 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, 5600506105095 + 5600506105096.

It is an arithmetic number, because the mean of its divisors is an integer number (5600506105096).

Almost surely, 2^{11201012210191} is an apocalyptic number.

11201012210191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201012210191 is an equidigital number, since it uses as much as digits as its factorization.

11201012210191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 11201012210191 in words is "eleven trillion, two hundred one billion, twelve million, two hundred ten thousand, one hundred ninety-one".