111224201212043 has 4 divisors (see below), whose sum is σ = 114812078670528. Its totient is φ = 107636323753560.

The previous prime is 111224201212013. The next prime is 111224201212121. The reversal of 111224201212043 is 340212102422111.

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 111224201212043 - 2⁶ = 111224201211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111224201212013) 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, 1793938729196 + ... + 1793938729257.

It is an arithmetic number, because the mean of its divisors is an integer number (28703019667632).

Almost surely, 2^{111224201212043} is an apocalyptic number.

111224201212043 is a deficient number, since it is larger than the sum of its proper divisors (3587877458485).

111224201212043 is an equidigital number, since it uses as much as digits as its factorization.

111224201212043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587877458484.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 111224201212043 its reverse (340212102422111), we get a palindrome (451436303634154).

The spelling of 111224201212043 in words is "one hundred eleven trillion, two hundred twenty-four billion, two hundred one million, two hundred twelve thousand, forty-three".