111220223413442 has 16 divisors (see below), whose sum is σ = 195996477624192. Its totient is φ = 46665828005520.

The previous prime is 111220223413393. The next prime is 111220223413459. The reversal of 111220223413442 is 244314322022111.

It is a super-2 number, since 2×111220223413442² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111220223413399 and 111220223413408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194440949738 + ... + 194440950309.

It is an arithmetic number, because the mean of its divisors is an integer number (12249779851512).

Almost surely, 2^{111220223413442} is an apocalyptic number.

111220223413442 is a deficient number, since it is larger than the sum of its proper divisors (84776254210750).

111220223413442 is a wasteful number, since it uses less digits than its factorization.

111220223413442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388881900073.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 111220223413442 its reverse (244314322022111), we get a palindrome (355534545435553).

The spelling of 111220223413442 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty-three million, four hundred thirteen thousand, four hundred forty-two".