203203013240011 has 16 divisors (see below), whose sum is σ = 215939759596704. Its totient is φ = 190553380729344.

The previous prime is 203203013239969. The next prime is 203203013240047. The reversal of 203203013240011 is 110042310302302.

It is a cyclic number.

It is not a de Polignac number, because 203203013240011 - 2⁷ = 203203013239883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203203013240911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150406341 + ... + 151751353.

It is an arithmetic number, because the mean of its divisors is an integer number (13496234974794).

Almost surely, 2^{203203013240011} is an apocalyptic number.

203203013240011 is a deficient number, since it is larger than the sum of its proper divisors (12736746356693).

203203013240011 is a wasteful number, since it uses less digits than its factorization.

203203013240011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377390.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 203203013240011 its reverse (110042310302302), we get a palindrome (313245323542313).

The spelling of 203203013240011 in words is "two hundred three trillion, two hundred three billion, thirteen million, two hundred forty thousand, eleven".