1111322110123 has 4 divisors (see below), whose sum is σ = 1113585495768. Its totient is φ = 1109058724480.

The previous prime is 1111322110069. The next prime is 1111322110133. The reversal of 1111322110123 is 3210112231111.

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 1111322110123 - 2³⁷ = 973883156651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111322110123.

It is not an unprimeable number, because it can be changed into a prime (1111322110133) 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, 1131692086 + ... + 1131693067.

It is an arithmetic number, because the mean of its divisors is an integer number (278396373942).

Almost surely, 2^{1111322110123} is an apocalyptic number.

1111322110123 is a deficient number, since it is larger than the sum of its proper divisors (2263385645).

1111322110123 is an equidigital number, since it uses as much as digits as its factorization.

1111322110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263385644.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1111322110123 its reverse (3210112231111), we get a palindrome (4321434341234).

The spelling of 1111322110123 in words is "one trillion, one hundred eleven billion, three hundred twenty-two million, one hundred ten thousand, one hundred twenty-three".