243311101120011 has 16 divisors (see below), whose sum is σ = 356336624067840. Its totient is φ = 146988857426400.

The previous prime is 243311101119959. The next prime is 243311101120033. The reversal of 243311101120011 is 110021101113342.

It is a happy number.

It is not a de Polignac number, because 243311101120011 - 2¹¹ = 243311101117963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243311101120011.

It is not an unprimeable number, because it can be changed into a prime (243311101320011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92795994540 + ... + 92795997161.

It is an arithmetic number, because the mean of its divisors is an integer number (22271039004240).

Almost surely, 2^{243311101120011} is an apocalyptic number.

243311101120011 is a deficient number, since it is larger than the sum of its proper divisors (113025522947829).

243311101120011 is a wasteful number, since it uses less digits than its factorization.

243311101120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185591991746.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 243311101120011 its reverse (110021101113342), we get a palindrome (353332202233353).

The spelling of 243311101120011 in words is "two hundred forty-three trillion, three hundred eleven billion, one hundred one million, one hundred twenty thousand, eleven".