203112140111 has 2 divisors, whose sum is σ = 203112140112. Its totient is φ = 203112140110.

The previous prime is 203112139999. The next prime is 203112140233. The reversal of 203112140111 is 111041211302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203112140111 - 2¹⁸ = 203111877967 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203112140111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203112140311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101556070055 + 101556070056.

It is an arithmetic number, because the mean of its divisors is an integer number (101556070056).

Almost surely, 2^203112140111 is an apocalyptic number.

203112140111 is a deficient number, since it is larger than the sum of its proper divisors (1).

203112140111 is an equidigital number, since it uses as much as digits as its factorization.

203112140111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 203112140111 its reverse (111041211302), we get a palindrome (314153351413).

The spelling of 203112140111 in words is "two hundred three billion, one hundred twelve million, one hundred forty thousand, one hundred eleven".