2101312103003 has 16 divisors (see below), whose sum is σ = 2178766218240. Its totient is φ = 2025242541696.

The previous prime is 2101312102993. The next prime is 2101312103047. The reversal of 2101312103003 is 3003012131012.

It is a cyclic number.

It is not a de Polignac number, because 2101312103003 - 2¹⁴ = 2101312086619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101312603003) 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, 9619250 + ... + 9835272.

It is an arithmetic number, because the mean of its divisors is an integer number (136172888640).

Almost surely, 2^{2101312103003} is an apocalyptic number.

2101312103003 is a deficient number, since it is larger than the sum of its proper divisors (77454115237).

2101312103003 is a wasteful number, since it uses less digits than its factorization.

2101312103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219226.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2101312103003 its reverse (3003012131012), we get a palindrome (5104324234015).

The spelling of 2101312103003 in words is "two trillion, one hundred one billion, three hundred twelve million, one hundred three thousand, three".