11121110210123 has 4 divisors (see below), whose sum is σ = 11121236013408. Its totient is φ = 11120984406840.

The previous prime is 11121110210117. The next prime is 11121110210149. The reversal of 11121110210123 is 32101201112111.

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 11121110210123 - 2⁴ = 11121110210107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121110210923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62768948 + ... + 62945873.

It is an arithmetic number, because the mean of its divisors is an integer number (2780309003352).

Almost surely, 2^{11121110210123} is an apocalyptic number.

11121110210123 is a deficient number, since it is larger than the sum of its proper divisors (125803285).

11121110210123 is an equidigital number, since it uses as much as digits as its factorization.

11121110210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125803284.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11121110210123 its reverse (32101201112111), we get a palindrome (43222311322234).

The spelling of 11121110210123 in words is "eleven trillion, one hundred twenty-one billion, one hundred ten million, two hundred ten thousand, one hundred twenty-three".