111244220743 has 4 divisors (see below), whose sum is σ = 113831295688. Its totient is φ = 108657145800.

The previous prime is 111244220671. The next prime is 111244220761. The reversal of 111244220743 is 347022442111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347022442111 = 359 ⋅966636329.

It is a cyclic number.

It is not a de Polignac number, because 111244220743 - 2⁹ = 111244220231 is a prime.

It is a super-2 number, since 2×111244220743² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111244280743) 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, 1293537408 + ... + 1293537493.

It is an arithmetic number, because the mean of its divisors is an integer number (28457823922).

Almost surely, 2^111244220743 is an apocalyptic number.

111244220743 is a deficient number, since it is larger than the sum of its proper divisors (2587074945).

111244220743 is an equidigital number, since it uses as much as digits as its factorization.

111244220743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587074944.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 111244220743 its reverse (347022442111), we get a palindrome (458266662854).

The spelling of 111244220743 in words is "one hundred eleven billion, two hundred forty-four million, two hundred twenty thousand, seven hundred forty-three".