11033012123 has 4 divisors (see below), whose sum is σ = 12609156720. Its totient is φ = 9456867528.

The previous prime is 11033012113. The next prime is 11033012171. The reversal of 11033012123 is 32121033011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32121033011 = 6841 ⋅4695371.

It is a cyclic number.

It is not a de Polignac number, because 11033012123 - 2¹⁴ = 11032995739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11033012113) 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 3 ways as a sum of consecutive naturals, for example, 788072288 + ... + 788072301.

It is an arithmetic number, because the mean of its divisors is an integer number (3152289180).

Almost surely, 2^11033012123 is an apocalyptic number.

11033012123 is a deficient number, since it is larger than the sum of its proper divisors (1576144597).

11033012123 is an equidigital number, since it uses as much as digits as its factorization.

11033012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576144596.

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

Adding to 11033012123 its reverse (32121033011), we get a palindrome (43154045134).

The spelling of 11033012123 in words is "eleven billion, thirty-three million, twelve thousand, one hundred twenty-three".