1109101009103 has 4 divisors (see below), whose sum is σ = 1110928194240. Its totient is φ = 1107273823968.

The previous prime is 1109101009091. The next prime is 1109101009109. The reversal of 1109101009103 is 3019001019011.

It is a happy number.

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 1109101009103 - 2¹² = 1109101005007 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 (1109101009109) 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 3 ways as a sum of consecutive naturals, for example, 913591658 + ... + 913592871.

It is an arithmetic number, because the mean of its divisors is an integer number (277732048560).

Almost surely, 2^{1109101009103} is an apocalyptic number.

1109101009103 is a deficient number, since it is larger than the sum of its proper divisors (1827185137).

1109101009103 is an equidigital number, since it uses as much as digits as its factorization.

1109101009103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827185136.

The product of its (nonzero) digits is 243, while the sum is 26.

The spelling of 1109101009103 in words is "one trillion, one hundred nine billion, one hundred one million, nine thousand, one hundred three".