1100212440223 has 4 divisors (see below), whose sum is σ = 1184844166408. Its totient is φ = 1015580714040.

The previous prime is 1100212440167. The next prime is 1100212440269. The reversal of 1100212440223 is 3220442120011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100212440223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100212440194 and 1100212440203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212440623) 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 in 3 ways as a sum of consecutive naturals, for example, 42315863073 + ... + 42315863098.

It is an arithmetic number, because the mean of its divisors is an integer number (296211041602).

Almost surely, 2^{1100212440223} is an apocalyptic number.

1100212440223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1100212440223 is a deficient number, since it is larger than the sum of its proper divisors (84631726185).

1100212440223 is an equidigital number, since it uses as much as digits as its factorization.

1100212440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84631726184.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1100212440223 its reverse (3220442120011), we get a palindrome (4320654560234).

The spelling of 1100212440223 in words is "one trillion, one hundred billion, two hundred twelve million, four hundred forty thousand, two hundred twenty-three".