203000131201111 has 2 divisors, whose sum is σ = 203000131201112. Its totient is φ = 203000131201110.

The previous prime is 203000131201079. The next prime is 203000131201163. The reversal of 203000131201111 is 111102131000302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203000131201111 - 2⁵ = 203000131201079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203000131201171) 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 as a sum of consecutive naturals, namely, 101500065600555 + 101500065600556.

It is an arithmetic number, because the mean of its divisors is an integer number (101500065600556).

Almost surely, 2^{203000131201111} is an apocalyptic number.

203000131201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

203000131201111 is an equidigital number, since it uses as much as digits as its factorization.

203000131201111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 203000131201111 its reverse (111102131000302), we get a palindrome (314102262201413).

The spelling of 203000131201111 in words is "two hundred three trillion, one hundred thirty-one million, two hundred one thousand, one hundred eleven".