11103011123 has 4 divisors (see below), whose sum is σ = 11361220728. Its totient is φ = 10844801520.

The previous prime is 11103011081. The next prime is 11103011131. The reversal of 11103011123 is 32111030111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11103011123 - 2¹⁴ = 11102994739 is a prime.

It is a super-3 number, since 3×11103011123³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103011098 and 11103011107.

It is not an unprimeable number, because it can be changed into a prime (11103011173) 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, 129104738 + ... + 129104823.

It is an arithmetic number, because the mean of its divisors is an integer number (2840305182).

Almost surely, 2^11103011123 is an apocalyptic number.

11103011123 is a deficient number, since it is larger than the sum of its proper divisors (258209605).

11103011123 is an equidigital number, since it uses as much as digits as its factorization.

11103011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258209604.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11103011123 its reverse (32111030111), we get a palindrome (43214041234).

The spelling of 11103011123 in words is "eleven billion, one hundred three million, eleven thousand, one hundred twenty-three".