11112321199 has 4 divisors (see below), whose sum is σ = 12699795664. Its totient is φ = 9524846736.

The previous prime is 11112321179. The next prime is 11112321203. The reversal of 11112321199 is 99112321111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99112321111 = 7243 ⋅13683877.

It is a cyclic number.

It is not a de Polignac number, because 11112321199 - 2¹⁵ = 11112288431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11112321199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112321169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793737222 + ... + 793737235.

It is an arithmetic number, because the mean of its divisors is an integer number (3174948916).

Almost surely, 2^11112321199 is an apocalyptic number.

11112321199 is a deficient number, since it is larger than the sum of its proper divisors (1587474465).

11112321199 is an equidigital number, since it uses as much as digits as its factorization.

11112321199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587474464.

The product of its digits is 972, while the sum is 31.

The spelling of 11112321199 in words is "eleven billion, one hundred twelve million, three hundred twenty-one thousand, one hundred ninety-nine".