11001122219 has 4 divisors (see below), whose sum is σ = 11025955896. Its totient is φ = 10976288544.

The previous prime is 11001122191. The next prime is 11001122221. The reversal of 11001122219 is 91222110011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91222110011 = 53 ⋅1721171887.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001122219 is a prime.

It is a super-2 number, since 2×11001122219² (a number of 21 digits) contains 22 as substring.

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 11001122219.

It is not an unprimeable number, because it can be changed into a prime (11001122239) 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, 12416174 + ... + 12417059.

It is an arithmetic number, because the mean of its divisors is an integer number (2756488974).

Almost surely, 2^11001122219 is an apocalyptic number.

11001122219 is a deficient number, since it is larger than the sum of its proper divisors (24833677).

11001122219 is an equidigital number, since it uses as much as digits as its factorization.

11001122219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24833676.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11001122219 in words is "eleven billion, one million, one hundred twenty-two thousand, two hundred nineteen".