1010001111003 has 24 divisors (see below), whose sum is σ = 1553636567808. Its totient is φ = 630063013632.

The previous prime is 1010001111001. The next prime is 1010001111013. The reversal of 1010001111003 is 3001111000101.

It is not a de Polignac number, because 1010001111003 - 2¹ = 1010001111001 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1010001111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19052475 + ... + 19105412.

It is an arithmetic number, because the mean of its divisors is an integer number (64734856992).

Almost surely, 2^{1010001111003} is an apocalyptic number.

1010001111003 is a deficient number, since it is larger than the sum of its proper divisors (543635456805).

1010001111003 is a wasteful number, since it uses less digits than its factorization.

1010001111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38158083 (or 38158080 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 1010001111003 its reverse (3001111000101), we get a palindrome (4011112111104).

The spelling of 1010001111003 in words is "one trillion, ten billion, one million, one hundred eleven thousand, three".