10201366243 has 4 divisors (see below), whose sum is σ = 10228002048. Its totient is φ = 10174730440.

The previous prime is 10201366229. The next prime is 10201366271. The reversal of 10201366243 is 34266310201.

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 10201366243 - 2⁵ = 10201366211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201361243) 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, 13317328 + ... + 13318093.

It is an arithmetic number, because the mean of its divisors is an integer number (2557000512).

Almost surely, 2^10201366243 is an apocalyptic number.

10201366243 is a deficient number, since it is larger than the sum of its proper divisors (26635805).

10201366243 is an equidigital number, since it uses as much as digits as its factorization.

10201366243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26635804.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 10201366243 its reverse (34266310201), we get a palindrome (44467676444).

The spelling of 10201366243 in words is "ten billion, two hundred one million, three hundred sixty-six thousand, two hundred forty-three".