111203404043 has 2 divisors, whose sum is σ = 111203404044. Its totient is φ = 111203404042.

The previous prime is 111203404009. The next prime is 111203404051. The reversal of 111203404043 is 340404302111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111203404043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111203404643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601702021 + 55601702022.

It is an arithmetic number, because the mean of its divisors is an integer number (55601702022).

Almost surely, 2^111203404043 is an apocalyptic number.

111203404043 is a deficient number, since it is larger than the sum of its proper divisors (1).

111203404043 is an equidigital number, since it uses as much as digits as its factorization.

111203404043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 111203404043 its reverse (340404302111), we get a palindrome (451607706154).

The spelling of 111203404043 in words is "one hundred eleven billion, two hundred three million, four hundred four thousand, forty-three".