2100245170703 has 4 divisors (see below), whose sum is σ = 2105380244880. Its totient is φ = 2095110096528.

The previous prime is 2100245170651. The next prime is 2100245170711. The reversal of 2100245170703 is 3070715420012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100245170703 - 2¹⁰ = 2100245169679 is a prime.

It is a super-2 number, since 2×2100245170703² (a number of 25 digits) contains 22 as substring.

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 2100245170703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100245170733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567536475 + ... + 2567537292.

It is an arithmetic number, because the mean of its divisors is an integer number (526345061220).

Almost surely, 2^{2100245170703} is an apocalyptic number.

2100245170703 is a deficient number, since it is larger than the sum of its proper divisors (5135074177).

2100245170703 is an equidigital number, since it uses as much as digits as its factorization.

2100245170703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135074176.

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 2100245170703 in words is "two trillion, one hundred billion, two hundred forty-five million, one hundred seventy thousand, seven hundred three".