2101312102003 has 8 divisors (see below), whose sum is σ = 2193178026816. Its totient is φ = 2011380196800.

The previous prime is 2101312101949. The next prime is 2101312102013. The reversal of 2101312102003 is 3002012131012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101312102003 is a prime.

It is a super-2 number, since 2×2101312102003² (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 (2101312102013) 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, 483502683 + ... + 483507028.

It is an arithmetic number, because the mean of its divisors is an integer number (274147253352).

Almost surely, 2^{2101312102003} is an apocalyptic number.

2101312102003 is a deficient number, since it is larger than the sum of its proper divisors (91865924813).

2101312102003 is an equidigital number, since it uses as much as digits as its factorization.

2101312102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967009805.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2101312102003 its reverse (3002012131012), we get a palindrome (5103324233015).

The spelling of 2101312102003 in words is "two trillion, one hundred one billion, three hundred twelve million, one hundred two thousand, three".