1100112223123 has 2 divisors, whose sum is σ = 1100112223124. Its totient is φ = 1100112223122.

The previous prime is 1100112223009. The next prime is 1100112223153. The reversal of 1100112223123 is 3213222110011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100112223123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100112223123.

It is not a weakly prime, because it can be changed into another prime (1100112223153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550056111561 + 550056111562.

It is an arithmetic number, because the mean of its divisors is an integer number (550056111562).

Almost surely, 2^{1100112223123} is an apocalyptic number.

1100112223123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100112223123 is an equidigital number, since it uses as much as digits as its factorization.

1100112223123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1100112223123 its reverse (3213222110011), we get a palindrome (4313334333134).

The spelling of 1100112223123 in words is "one trillion, one hundred billion, one hundred twelve million, two hundred twenty-three thousand, one hundred twenty-three".