1100221102103 has 4 divisors (see below), whose sum is σ = 1164939990480. Its totient is φ = 1035502213728.

The previous prime is 1100221102063. The next prime is 1100221102129. The reversal of 1100221102103 is 3012011220011.

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 1100221102103 - 2²² = 1100216907799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100221102303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32359444163 + ... + 32359444196.

It is an arithmetic number, because the mean of its divisors is an integer number (291234997620).

Almost surely, 2^{1100221102103} is an apocalyptic number.

1100221102103 is a deficient number, since it is larger than the sum of its proper divisors (64718888377).

1100221102103 is an equidigital number, since it uses as much as digits as its factorization.

1100221102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64718888376.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1100221102103 its reverse (3012011220011), we get a palindrome (4112232322114).

The spelling of 1100221102103 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred two thousand, one hundred three".