101100012003 has 8 divisors (see below), whose sum is σ = 149777795600. Its totient is φ = 67400007984.

The previous prime is 101100011989. The next prime is 101100012011. The reversal of 101100012003 is 300210001101.

It is not a de Polignac number, because 101100012003 - 2²¹ = 101097914851 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 not an unprimeable number, because it can be changed into a prime (101100012203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872222418 + ... + 1872222471.

It is an arithmetic number, because the mean of its divisors is an integer number (18722224450).

Almost surely, 2^101100012003 is an apocalyptic number.

101100012003 is a deficient number, since it is larger than the sum of its proper divisors (48677783597).

101100012003 is an equidigital number, since it uses as much as digits as its factorization.

101100012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744444898 (or 3744444892 counting only the distinct ones).

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

Adding to 101100012003 its reverse (300210001101), we get a palindrome (401310013104).

The spelling of 101100012003 in words is "one hundred one billion, one hundred million, twelve thousand, three".