11021120191 has 2 divisors, whose sum is σ = 11021120192. Its totient is φ = 11021120190.

The previous prime is 11021120153. The next prime is 11021120207. The reversal of 11021120191 is 19102112011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11021120191 - 2⁷ = 11021120063 is a prime.

It is a super-3 number, since 3×11021120191³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021121191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510560095 + 5510560096.

It is an arithmetic number, because the mean of its divisors is an integer number (5510560096).

Almost surely, 2^11021120191 is an apocalyptic number.

11021120191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021120191 is an equidigital number, since it uses as much as digits as its factorization.

11021120191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 11021120191 in words is "eleven billion, twenty-one million, one hundred twenty thousand, one hundred ninety-one".