1001000102003 has 8 divisors (see below), whose sum is σ = 1093271367360. Its totient is φ = 908940712680.

The previous prime is 1001000101987. The next prime is 1001000102083. The reversal of 1001000102003 is 3002010001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001000102003 - 2⁴ = 1001000101987 is a prime.

It is a super-2 number, since 2×1001000102003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001000102083) 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, 52959125 + ... + 52978022.

It is an arithmetic number, because the mean of its divisors is an integer number (136658920920).

Almost surely, 2^{1001000102003} is an apocalyptic number.

1001000102003 is a deficient number, since it is larger than the sum of its proper divisors (92271265357).

1001000102003 is a wasteful number, since it uses less digits than its factorization.

1001000102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105938017.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 1001000102003 its reverse (3002010001001), we get a palindrome (4003010103004).

The spelling of 1001000102003 in words is "one trillion, one billion, one hundred two thousand, three".