11201202191 has 2 divisors, whose sum is σ = 11201202192. Its totient is φ = 11201202190.

The previous prime is 11201202143. The next prime is 11201202211. The reversal of 11201202191 is 19120210211.

It is an a-pointer prime, because the next prime (11201202211) can be obtained adding 11201202191 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201202191 - 2⁶ = 11201202127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201202391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600601095 + 5600601096.

It is an arithmetic number, because the mean of its divisors is an integer number (5600601096).

Almost surely, 2^11201202191 is an apocalyptic number.

11201202191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201202191 is an equidigital number, since it uses as much as digits as its factorization.

11201202191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11201202191 in words is "eleven billion, two hundred one million, two hundred two thousand, one hundred ninety-one".