11122221103 has 8 divisors (see below), whose sum is σ = 12711841920. Its totient is φ = 9532783320.

The previous prime is 11122221059. The next prime is 11122221109. The reversal of 11122221103 is 30112222111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122221103 - 2³³ = 2532286511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122221109) 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 in 7 ways as a sum of consecutive naturals, for example, 128928 + ... + 197146.

It is an arithmetic number, because the mean of its divisors is an integer number (1588980240).

Almost surely, 2^11122221103 is an apocalyptic number.

11122221103 is a deficient number, since it is larger than the sum of its proper divisors (1589620817).

11122221103 is an equidigital number, since it uses as much as digits as its factorization.

11122221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91517.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11122221103 its reverse (30112222111), we get a palindrome (41234443214).

The spelling of 11122221103 in words is "eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred three".