203343244220011 has 12 divisors (see below), whose sum is σ = 239536345559520. Its totient is φ = 172087953513840.

The previous prime is 203343244219919. The next prime is 203343244220027. The reversal of 203343244220011 is 110022442343302.

It is not a de Polignac number, because 203343244220011 - 2⁹ = 203343244219499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203343244220111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26264946300 + ... + 26264954041.

It is an arithmetic number, because the mean of its divisors is an integer number (19961362129960).

Almost surely, 2^{203343244220011} is an apocalyptic number.

203343244220011 is a deficient number, since it is larger than the sum of its proper divisors (36193101339509).

203343244220011 is an equidigital number, since it uses as much as digits as its factorization.

203343244220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52529900434 (or 52529900427 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 203343244220011 its reverse (110022442343302), we get a palindrome (313365686563313).

The spelling of 203343244220011 in words is "two hundred three trillion, three hundred forty-three billion, two hundred forty-four million, two hundred twenty thousand, eleven".