11020320103 has 8 divisors (see below), whose sum is σ = 12011026608. Its totient is φ = 10050040704.

The previous prime is 11020320089. The next prime is 11020320109. The reversal of 11020320103 is 30102302011.

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 11020320103 - 2⁵ = 11020320071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020320109) 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, 5105650 + ... + 5107807.

It is an arithmetic number, because the mean of its divisors is an integer number (1501378326).

Almost surely, 2^11020320103 is an apocalyptic number.

11020320103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11020320103 is a deficient number, since it is larger than the sum of its proper divisors (990706505).

11020320103 is a wasteful number, since it uses less digits than its factorization.

11020320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213553.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11020320103 its reverse (30102302011), we get a palindrome (41122622114).

The spelling of 11020320103 in words is "eleven billion, twenty million, three hundred twenty thousand, one hundred three".