2201312302243 has 4 divisors (see below), whose sum is σ = 2277219623040. Its totient is φ = 2125404981448.

The previous prime is 2201312302229. The next prime is 2201312302247. The reversal of 2201312302243 is 3422032131022.

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 2201312302243 - 2¹⁷ = 2201312171171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201312302247) 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, 37953660355 + ... + 37953660412.

It is an arithmetic number, because the mean of its divisors is an integer number (569304905760).

Almost surely, 2^{2201312302243} is an apocalyptic number.

2201312302243 is a deficient number, since it is larger than the sum of its proper divisors (75907320797).

2201312302243 is an equidigital number, since it uses as much as digits as its factorization.

2201312302243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75907320796.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2201312302243 its reverse (3422032131022), we get a palindrome (5623344433265).

The spelling of 2201312302243 in words is "two trillion, two hundred one billion, three hundred twelve million, three hundred two thousand, two hundred forty-three".