1100111110123 has 2 divisors, whose sum is σ = 1100111110124. Its totient is φ = 1100111110122.

The previous prime is 1100111110099. The next prime is 1100111110171. The reversal of 1100111110123 is 3210111110011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100111110123 - 2²¹ = 1100109012971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100111110523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550055555061 + 550055555062.

It is an arithmetic number, because the mean of its divisors is an integer number (550055555062).

Almost surely, 2^{1100111110123} is an apocalyptic number.

1100111110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100111110123 is an equidigital number, since it uses as much as digits as its factorization.

1100111110123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1100111110123 its reverse (3210111110011), we get a palindrome (4310222220134).

The spelling of 1100111110123 in words is "one trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, one hundred twenty-three".