1003103312111 has 16 divisors (see below), whose sum is σ = 1082250072000. Its totient is φ = 926197728768.

The previous prime is 1003103312047. The next prime is 1003103312137. The reversal of 1003103312111 is 1112133013001.

It is a cyclic number.

It is not a de Polignac number, because 1003103312111 - 2⁶ = 1003103312047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003103312111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003103312411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10900430 + ... + 10992068.

It is an arithmetic number, because the mean of its divisors is an integer number (67640629500).

Almost surely, 2^{1003103312111} is an apocalyptic number.

1003103312111 is a deficient number, since it is larger than the sum of its proper divisors (79146759889).

1003103312111 is a wasteful number, since it uses less digits than its factorization.

1003103312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103858.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1003103312111 its reverse (1112133013001), we get a palindrome (2115236325112).

The spelling of 1003103312111 in words is "one trillion, three billion, one hundred three million, three hundred twelve thousand, one hundred eleven".