1100012000103 has 20 divisors (see below), whose sum is σ = 1681442408008. Its totient is φ = 716286881520.

The previous prime is 1100012000099. The next prime is 1100012000119. The reversal of 1100012000103 is 3010002100011.

It is not a de Polignac number, because 1100012000103 - 2² = 1100012000099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100012010103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 157908088 + ... + 157915053.

Almost surely, 2^{1100012000103} is an apocalyptic number.

1100012000103 is a deficient number, since it is larger than the sum of its proper divisors (581430407905).

1100012000103 is an equidigital number, since it uses as much as digits as its factorization.

1100012000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315823196 (or 315823187 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1100012000103 its reverse (3010002100011), we get a palindrome (4110014100114).

The spelling of 1100012000103 in words is "one trillion, one hundred billion, twelve million, one hundred three", and thus it is an aban number.