11103219989 has 2 divisors, whose sum is σ = 11103219990. Its totient is φ = 11103219988.

The previous prime is 11103219961. The next prime is 11103219991. The reversal of 11103219989 is 98991230111.

11103219989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10438095889 + 665124100 = 102167^2 + 25790^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103219989 - 2²⁸ = 10834784533 is a prime.

Together with 11103219991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11103219929) 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 as a sum of consecutive naturals, namely, 5551609994 + 5551609995.

It is an arithmetic number, because the mean of its divisors is an integer number (5551609995).

Almost surely, 2^11103219989 is an apocalyptic number.

It is an amenable number.

11103219989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103219989 is an equidigital number, since it uses as much as digits as its factorization.

11103219989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 11103219989 in words is "eleven billion, one hundred three million, two hundred nineteen thousand, nine hundred eighty-nine".