111031120034243 has 4 divisors (see below), whose sum is σ = 116874863193960. Its totient is φ = 105187376874528.

The previous prime is 111031120034239. The next prime is 111031120034309. The reversal of 111031120034243 is 342430021130111.

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 111031120034243 - 2² = 111031120034239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111031120034213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921871579830 + ... + 2921871579867.

It is an arithmetic number, because the mean of its divisors is an integer number (29218715798490).

Almost surely, 2^{111031120034243} is an apocalyptic number.

111031120034243 is a deficient number, since it is larger than the sum of its proper divisors (5843743159717).

111031120034243 is an equidigital number, since it uses as much as digits as its factorization.

111031120034243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843743159716.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 111031120034243 its reverse (342430021130111), we get a palindrome (453461141164354).

The spelling of 111031120034243 in words is "one hundred eleven trillion, thirty-one billion, one hundred twenty million, thirty-four thousand, two hundred forty-three".