11120020123 has 16 divisors (see below), whose sum is σ = 11999111040. Its totient is φ = 10270670400.

The previous prime is 11120020111. The next prime is 11120020133. The reversal of 11120020123 is 32102002111.

11120020123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11120020123 - 2²⁹ = 10583149211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11120020133) 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 15 ways as a sum of consecutive naturals, for example, 1356828 + ... + 1364998.

It is an arithmetic number, because the mean of its divisors is an integer number (749944440).

Almost surely, 2^11120020123 is an apocalyptic number.

11120020123 is a deficient number, since it is larger than the sum of its proper divisors (879090917).

11120020123 is a wasteful number, since it uses less digits than its factorization.

11120020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11120020123 its reverse (32102002111), we get a palindrome (43222022234).

The spelling of 11120020123 in words is "eleven billion, one hundred twenty million, twenty thousand, one hundred twenty-three".