111221402224 has 10 divisors (see below), whose sum is σ = 215491466840. Its totient is φ = 55610701104.

The previous prime is 111221402221. The next prime is 111221402311. The reversal of 111221402224 is 422204122111.

111221402224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111221402195 and 111221402204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221402221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3475668804 + ... + 3475668835.

It is an arithmetic number, because the mean of its divisors is an integer number (21549146684).

Almost surely, 2^111221402224 is an apocalyptic number.

It is an amenable number.

111221402224 is a deficient number, since it is larger than the sum of its proper divisors (104270064616).

111221402224 is an equidigital number, since it uses as much as digits as its factorization.

111221402224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951337647 (or 6951337641 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 111221402224 its reverse (422204122111), we get a palindrome (533425524335).

The spelling of 111221402224 in words is "one hundred eleven billion, two hundred twenty-one million, four hundred two thousand, two hundred twenty-four".