1100221110205 has 48 divisors (see below), whose sum is σ = 1585655585280. Its totient is φ = 729965174400.

The previous prime is 1100221110203. The next prime is 1100221110239. The reversal of 1100221110205 is 5020111220011.

It is not a de Polignac number, because 1100221110205 - 2¹ = 1100221110203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100221110203) 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 47 ways as a sum of consecutive naturals, for example, 56641395 + ... + 56660815.

It is an arithmetic number, because the mean of its divisors is an integer number (33034491360).

Almost surely, 2^{1100221110205} is an apocalyptic number.

It is an amenable number.

1100221110205 is a deficient number, since it is larger than the sum of its proper divisors (485434475075).

1100221110205 is a wasteful number, since it uses less digits than its factorization.

1100221110205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26930 (or 26923 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 1100221110205 its reverse (5020111220011), we get a palindrome (6120332330216).

The spelling of 1100221110205 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred ten thousand, two hundred five".