111203354443 has 2 divisors, whose sum is σ = 111203354444. Its totient is φ = 111203354442.

The previous prime is 111203354377. The next prime is 111203354519. The reversal of 111203354443 is 344453302111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111203354443 is a prime.

It is not a weakly prime, because it can be changed into another prime (111203354543) 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 as a sum of consecutive naturals, namely, 55601677221 + 55601677222.

It is an arithmetic number, because the mean of its divisors is an integer number (55601677222).

Almost surely, 2^111203354443 is an apocalyptic number.

111203354443 is a deficient number, since it is larger than the sum of its proper divisors (1).

111203354443 is an equidigital number, since it uses as much as digits as its factorization.

111203354443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 111203354443 its reverse (344453302111), we get a palindrome (455656656554).

The spelling of 111203354443 in words is "one hundred eleven billion, two hundred three million, three hundred fifty-four thousand, four hundred forty-three".