11120002091 has 4 divisors (see below), whose sum is σ = 12130911384. Its totient is φ = 10109092800.

The previous prime is 11120002079. The next prime is 11120002171. The reversal of 11120002091 is 19020002111.

11120002091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19020002111 = 11 ⋅1729091101.

It is a cyclic number.

It is not a de Polignac number, because 11120002091 - 2¹⁸ = 11119739947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120002031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505454630 + ... + 505454651.

It is an arithmetic number, because the mean of its divisors is an integer number (3032727846).

Almost surely, 2^11120002091 is an apocalyptic number.

11120002091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11120002091 is a deficient number, since it is larger than the sum of its proper divisors (1010909293).

11120002091 is a wasteful number, since it uses less digits than its factorization.

11120002091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010909292.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 11120002091 in words is "eleven billion, one hundred twenty million, two thousand, ninety-one".