11121102122123 has 8 divisors (see below), whose sum is σ = 12918188882400. Its totient is φ = 9376104833280.

The previous prime is 11121102122111. The next prime is 11121102122159. The reversal of 11121102122123 is 32122120112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121102122123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121102122095 and 11121102122104.

It is not an unprimeable number, because it can be changed into a prime (11121102127123) 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 7 ways as a sum of consecutive naturals, for example, 13022367398 + ... + 13022368251.

It is an arithmetic number, because the mean of its divisors is an integer number (1614773610300).

Almost surely, 2^{11121102122123} is an apocalyptic number.

11121102122123 is a deficient number, since it is larger than the sum of its proper divisors (1797086760277).

11121102122123 is an equidigital number, since it uses as much as digits as its factorization.

11121102122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26044735717.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11121102122123 its reverse (32122120112111), we get a palindrome (43243222234234).

The spelling of 11121102122123 in words is "eleven trillion, one hundred twenty-one billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty-three".