111321021433244 has 12 divisors (see below), whose sum is σ = 222642042866544. Its totient is φ = 47709009185664.

The previous prime is 111321021433229. The next prime is 111321021433283. The reversal of 111321021433244 is 442334120123111.

111321021433244 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 111321021433244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987875382709 + ... + 1987875382764.

It is an arithmetic number, because the mean of its divisors is an integer number (18553503572212).

Almost surely, 2^{111321021433244} is an apocalyptic number.

111321021433244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111321021433244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111321021433244 is a wasteful number, since it uses less digits than its factorization.

111321021433244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975750765484 (or 3975750765482 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 111321021433244 its reverse (442334120123111), we get a palindrome (553655141556355).

The spelling of 111321021433244 in words is "one hundred eleven trillion, three hundred twenty-one billion, twenty-one million, four hundred thirty-three thousand, two hundred forty-four".