11102012219 has 2 divisors, whose sum is σ = 11102012220. Its totient is φ = 11102012218.

The previous prime is 11102012179. The next prime is 11102012239. The reversal of 11102012219 is 91221020111.

It is an a-pointer prime, because the next prime (11102012239) can be obtained adding 11102012219 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102012219 is a prime.

It is a super-2 number, since 2×11102012219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11102012219.

It is not a weakly prime, because it can be changed into another prime (11102012239) 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, 5551006109 + 5551006110.

It is an arithmetic number, because the mean of its divisors is an integer number (5551006110).

Almost surely, 2^11102012219 is an apocalyptic number.

11102012219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102012219 is an equidigital number, since it uses as much as digits as its factorization.

11102012219 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11102012219 in words is "eleven billion, one hundred two million, twelve thousand, two hundred nineteen".