203414441321011 has 4 divisors (see below), whose sum is σ = 203439118563432. Its totient is φ = 203389764078592.

The previous prime is 203414441320973. The next prime is 203414441321017. The reversal of 203414441321011 is 110123144414302.

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 203414441321011 - 2⁴⁵ = 168230069232179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203414441321017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12338608846 + ... + 12338625331.

It is an arithmetic number, because the mean of its divisors is an integer number (50859779640858).

Almost surely, 2^{203414441321011} is an apocalyptic number.

203414441321011 is a deficient number, since it is larger than the sum of its proper divisors (24677242421).

203414441321011 is an equidigital number, since it uses as much as digits as its factorization.

203414441321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24677242420.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 203414441321011 its reverse (110123144414302), we get a palindrome (313537585735313).

The spelling of 203414441321011 in words is "two hundred three trillion, four hundred fourteen billion, four hundred forty-one million, three hundred twenty-one thousand, eleven".