111220302141243 has 24 divisors (see below), whose sum is σ = 169107371347200. Its totient is φ = 70244202299184.

The previous prime is 111220302141241. The next prime is 111220302141269. The reversal of 111220302141243 is 342141203022111.

111220302141243 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 203 + 0 + 2 + 1 + 412 + 43 = 666.

It is not a de Polignac number, because 111220302141243 - 2¹ = 111220302141241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111220302141241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80650546 + ... + 82017992.

It is an arithmetic number, because the mean of its divisors is an integer number (7046140472800).

Almost surely, 2^{111220302141243} is an apocalyptic number.

111220302141243 is a deficient number, since it is larger than the sum of its proper divisors (57887069205957).

111220302141243 is a wasteful number, since it uses less digits than its factorization.

111220302141243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843111 (or 1843108 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 111220302141243 its reverse (342141203022111), we get a palindrome (453361505163354).

The spelling of 111220302141243 in words is "one hundred eleven trillion, two hundred twenty billion, three hundred two million, one hundred forty-one thousand, two hundred forty-three".