1100012103 has 16 divisors (see below), whose sum is σ = 1632383200. Its totient is φ = 732110400.

The previous prime is 1100012093. The next prime is 1100012113. The reversal of 1100012103 is 3012100011.

It is an interprime number because it is at equal distance from previous prime (1100012093) and next prime (1100012113).

It is not a de Polignac number, because 1100012103 - 2¹⁴ = 1099995719 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 (1100012113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17668 + ... + 50121.

It is an arithmetic number, because the mean of its divisors is an integer number (102023950).

Almost surely, 2^1100012103 is an apocalyptic number.

1100012103 is a deficient number, since it is larger than the sum of its proper divisors (532371097).

1100012103 is an equidigital number, since it uses as much as digits as its factorization.

1100012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68399 (or 68393 counting only the distinct ones).

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

The square root of 1100012103 is about 33166.4303626423. The cubic root of 1100012103 is about 1032.2839014080.

Adding to 1100012103 its reverse (3012100011), we get a palindrome (4112112114).

The spelling of 1100012103 in words is "one billion, one hundred million, twelve thousand, one hundred three".