111120203452343 has 4 divisors (see below), whose sum is σ = 111148557680160. Its totient is φ = 111091849224528.

The previous prime is 111120203452277. The next prime is 111120203452351. The reversal of 111120203452343 is 343254302021111.

It is a happy number.

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 111120203452343 - 2³² = 111115908485047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120203452043) 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, 14177108030 + ... + 14177115867.

It is an arithmetic number, because the mean of its divisors is an integer number (27787139420040).

Almost surely, 2^{111120203452343} is an apocalyptic number.

111120203452343 is a deficient number, since it is larger than the sum of its proper divisors (28354227817).

111120203452343 is an equidigital number, since it uses as much as digits as its factorization.

111120203452343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28354227816.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 111120203452343 its reverse (343254302021111), we get a palindrome (454374505473454).

The spelling of 111120203452343 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred three million, four hundred fifty-two thousand, three hundred forty-three".