111921743363 has 4 divisors (see below), whose sum is σ = 114524574648. Its totient is φ = 109318912080.

The previous prime is 111921743357. The next prime is 111921743377. The reversal of 111921743363 is 363347129111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363347129111 = 283 ⋅1283912117.

It is a cyclic number.

It is not a de Polignac number, because 111921743363 - 2¹⁸ = 111921481219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111921743363.

It is not an unprimeable number, because it can be changed into a prime (111921740363) 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, 1301415578 + ... + 1301415663.

It is an arithmetic number, because the mean of its divisors is an integer number (28631143662).

Almost surely, 2^111921743363 is an apocalyptic number.

111921743363 is a deficient number, since it is larger than the sum of its proper divisors (2602831285).

111921743363 is an equidigital number, since it uses as much as digits as its factorization.

111921743363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602831284.

The product of its digits is 81648, while the sum is 41.

The spelling of 111921743363 in words is "one hundred eleven billion, nine hundred twenty-one million, seven hundred forty-three thousand, three hundred sixty-three".