11122320123 has 24 divisors (see below), whose sum is σ = 16417709568. Its totient is φ = 7252554672.

The previous prime is 11122320103. The next prime is 11122320169. The reversal of 11122320123 is 32102322111.

It is not a de Polignac number, because 11122320123 - 2⁸ = 11122319867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11122320096 and 11122320105.

It is not an unprimeable number, because it can be changed into a prime (11122320103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746836 + ... + 761582.

It is an arithmetic number, because the mean of its divisors is an integer number (684071232).

Almost surely, 2^11122320123 is an apocalyptic number.

11122320123 is a deficient number, since it is larger than the sum of its proper divisors (5295389445).

11122320123 is a wasteful number, since it uses less digits than its factorization.

11122320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16583 (or 16580 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11122320123 its reverse (32102322111), we get a palindrome (43224642234).

The spelling of 11122320123 in words is "eleven billion, one hundred twenty-two million, three hundred twenty thousand, one hundred twenty-three".