11321124103 has 4 divisors (see below), whose sum is σ = 11916972760. Its totient is φ = 10725275448.

The previous prime is 11321124097. The next prime is 11321124121. The reversal of 11321124103 is 30142112311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30142112311 = 41 ⋅735173471.

It is a cyclic number.

It is not a de Polignac number, because 11321124103 - 2⁹ = 11321123591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 595848637 = 11321124103 / (1 + 1 + 3 + 2 + 1 + 1 + 2 + 4 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321121103) 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, 297924300 + ... + 297924337.

It is an arithmetic number, because the mean of its divisors is an integer number (2979243190).

Almost surely, 2^11321124103 is an apocalyptic number.

11321124103 is a deficient number, since it is larger than the sum of its proper divisors (595848657).

11321124103 is an equidigital number, since it uses as much as digits as its factorization.

11321124103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595848656.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11321124103 its reverse (30142112311), we get a palindrome (41463236414).

It can be divided in two parts, 11321 and 124103, that added together give a square (135424 = 368²).

The spelling of 11321124103 in words is "eleven billion, three hundred twenty-one million, one hundred twenty-four thousand, one hundred three".