11201033123 has 4 divisors (see below), whose sum is σ = 12801180720. Its totient is φ = 9600885528.

The previous prime is 11201033099. The next prime is 11201033147. The reversal of 11201033123 is 32133010211.

11201033123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (11201033099) and next prime (11201033147).

It is a cyclic number.

It is not a de Polignac number, because 11201033123 - 2¹⁰ = 11201032099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201033023) 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 in 3 ways as a sum of consecutive naturals, for example, 800073788 + ... + 800073801.

It is an arithmetic number, because the mean of its divisors is an integer number (3200295180).

Almost surely, 2^11201033123 is an apocalyptic number.

11201033123 is a deficient number, since it is larger than the sum of its proper divisors (1600147597).

11201033123 is an equidigital number, since it uses as much as digits as its factorization.

11201033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600147596.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11201033123 its reverse (32133010211), we get a palindrome (43334043334).

The spelling of 11201033123 in words is "eleven billion, two hundred one million, thirty-three thousand, one hundred twenty-three".