203411110341011 has 4 divisors (see below), whose sum is σ = 203432664987552. Its totient is φ = 203389555694472.

The previous prime is 203411110341007. The next prime is 203411110341077. The reversal of 203411110341011 is 110143011114302.

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 203411110341011 - 2² = 203411110341007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203411110343011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10777309115 + ... + 10777327988.

It is an arithmetic number, because the mean of its divisors is an integer number (50858166246888).

Almost surely, 2^{203411110341011} is an apocalyptic number.

203411110341011 is a deficient number, since it is larger than the sum of its proper divisors (21554646541).

203411110341011 is an equidigital number, since it uses as much as digits as its factorization.

203411110341011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21554646540.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 203411110341011 its reverse (110143011114302), we get a palindrome (313554121455313).

The spelling of 203411110341011 in words is "two hundred three trillion, four hundred eleven billion, one hundred ten million, three hundred forty-one thousand, eleven".