2256312201103 has 4 divisors (see below), whose sum is σ = 2289988502680. Its totient is φ = 2222635899528.

The previous prime is 2256312201097. The next prime is 2256312201161. The reversal of 2256312201103 is 3011022136522.

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 2256312201103 - 2⁵ = 2256312201071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256312201173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16838150688 + ... + 16838150821.

It is an arithmetic number, because the mean of its divisors is an integer number (572497125670).

Almost surely, 2^{2256312201103} is an apocalyptic number.

2256312201103 is a deficient number, since it is larger than the sum of its proper divisors (33676301577).

2256312201103 is an equidigital number, since it uses as much as digits as its factorization.

2256312201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33676301576.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 2256312201103 its reverse (3011022136522), we get a palindrome (5267334337625).

The spelling of 2256312201103 in words is "two trillion, two hundred fifty-six billion, three hundred twelve million, two hundred one thousand, one hundred three".