1001123010003 has 32 divisors (see below), whose sum is σ = 1428381077760. Its totient is φ = 621808755840.

The previous prime is 1001123009983. The next prime is 1001123010053. The reversal of 1001123010003 is 3000103211001.

It is not a de Polignac number, because 1001123010003 - 2¹⁰ = 1001123008979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001123010053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21440200 + ... + 21486842.

It is an arithmetic number, because the mean of its divisors is an integer number (44636908680).

Almost surely, 2^{1001123010003} is an apocalyptic number.

1001123010003 is a deficient number, since it is larger than the sum of its proper divisors (427258067757).

1001123010003 is a wasteful number, since it uses less digits than its factorization.

1001123010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52899.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1001123010003 its reverse (3000103211001), we get a palindrome (4001226221004).

The spelling of 1001123010003 in words is "one trillion, one billion, one hundred twenty-three million, ten thousand, three".