11121101123 has 32 divisors (see below), whose sum is σ = 13107199680. Its totient is φ = 9323458560.

The previous prime is 11121101111. The next prime is 11121101149. The reversal of 11121101123 is 32110112111.

11121101123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11121101123 - 2⁸ = 11121100867 is a prime.

It is a super-3 number, since 3×11121101123³ (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 = 11121101098 and 11121101107.

It is not an unprimeable number, because it can be changed into a prime (11121101153) 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 31 ways as a sum of consecutive naturals, for example, 2140613 + ... + 2145801.

It is an arithmetic number, because the mean of its divisors is an integer number (409599990).

Almost surely, 2^11121101123 is an apocalyptic number.

11121101123 is a deficient number, since it is larger than the sum of its proper divisors (1986098557).

11121101123 is a wasteful number, since it uses less digits than its factorization.

11121101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11121101123 its reverse (32110112111), we get a palindrome (43231213234).

The spelling of 11121101123 in words is "eleven billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-three".