11121320219 has 16 divisors (see below), whose sum is σ = 11890978848. Its totient is φ = 10364669952.

The previous prime is 11121320191. The next prime is 11121320257. The reversal of 11121320219 is 91202312111.

11121320219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121320219 is a prime.

It is a super-2 number, since 2×11121320219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121320194 and 11121320203.

It is not an unprimeable number, because it can be changed into a prime (11120320219) 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 15 ways as a sum of consecutive naturals, for example, 2739239 + ... + 2743295.

It is an arithmetic number, because the mean of its divisors is an integer number (743186178).

Almost surely, 2^11121320219 is an apocalyptic number.

11121320219 is a deficient number, since it is larger than the sum of its proper divisors (769658629).

11121320219 is a wasteful number, since it uses less digits than its factorization.

11121320219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11121320219 in words is "eleven billion, one hundred twenty-one million, three hundred twenty thousand, two hundred nineteen".