11221010010191 has 2 divisors, whose sum is σ = 11221010010192. Its totient is φ = 11221010010190.

The previous prime is 11221010010157. The next prime is 11221010010253. The reversal of 11221010010191 is 19101001012211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221010010191 is a prime.

It is a super-2 number, since 2×11221010010191² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221010010131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610505005095 + 5610505005096.

It is an arithmetic number, because the mean of its divisors is an integer number (5610505005096).

Almost surely, 2^{11221010010191} is an apocalyptic number.

11221010010191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221010010191 is an equidigital number, since it uses as much as digits as its factorization.

11221010010191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 11221010010191 in words is "eleven trillion, two hundred twenty-one billion, ten million, ten thousand, one hundred ninety-one".