11121322003123 has 8 divisors (see below), whose sum is σ = 11128883363840. Its totient is φ = 11113762013640.

The previous prime is 11121322003021. The next prime is 11121322003139. The reversal of 11121322003123 is 32130022312111.

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-11121322003123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121322003094 and 11121322003103.

It is not an unprimeable number, because it can be changed into a prime (11121322003153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16152718 + ... + 16827148.

It is an arithmetic number, because the mean of its divisors is an integer number (1391110420480).

Almost surely, 2^{11121322003123} is an apocalyptic number.

11121322003123 is a deficient number, since it is larger than the sum of its proper divisors (7561360717).

11121322003123 is an equidigital number, since it uses as much as digits as its factorization.

11121322003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685617.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11121322003123 its reverse (32130022312111), we get a palindrome (43251344315234).

The spelling of 11121322003123 in words is "eleven trillion, one hundred twenty-one billion, three hundred twenty-two million, three thousand, one hundred twenty-three".