111221120002 has 16 divisors (see below), whose sum is σ = 177728110560. Its totient is φ = 52048943712.

The previous prime is 111221119897. The next prime is 111221120083. The reversal of 111221120002 is 200021122111.

111221120002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17628603 + ... + 17634910.

It is an arithmetic number, because the mean of its divisors is an integer number (11108006910).

Almost surely, 2^111221120002 is an apocalyptic number.

111221120002 is a deficient number, since it is larger than the sum of its proper divisors (66506990558).

111221120002 is a wasteful number, since it uses less digits than its factorization.

111221120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35263617.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111221120002 its reverse (200021122111), we get a palindrome (311242242113).

The spelling of 111221120002 in words is "one hundred eleven billion, two hundred twenty-one million, one hundred twenty thousand, two".