10243340311111 has 4 divisors (see below), whose sum is σ = 10782463485400. Its totient is φ = 9704217136824.

The previous prime is 10243340311109. The next prime is 10243340311117. The reversal of 10243340311111 is 11111304334201.

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 10243340311111 - 2¹ = 10243340311109 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 (10243340311117) 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, 269561587116 + ... + 269561587153.

It is an arithmetic number, because the mean of its divisors is an integer number (2695615871350).

Almost surely, 2^{10243340311111} is an apocalyptic number.

10243340311111 is a deficient number, since it is larger than the sum of its proper divisors (539123174289).

10243340311111 is an equidigital number, since it uses as much as digits as its factorization.

10243340311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539123174288.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10243340311111 its reverse (11111304334201), we get a palindrome (21354644645312).

The spelling of 10243340311111 in words is "ten trillion, two hundred forty-three billion, three hundred forty million, three hundred eleven thousand, one hundred eleven".