111211200021230 has 16 divisors (see below), whose sum is σ = 200187429503760. Its totient is φ = 44482864571712.

The previous prime is 111211200021227. The next prime is 111211200021253. The reversal of 111211200021230 is 32120002112111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111211200021199 and 111211200021208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201640439 + ... + 202191218.

It is an arithmetic number, because the mean of its divisors is an integer number (12511714343985).

Almost surely, 2^{111211200021230} is an apocalyptic number.

111211200021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111211200021230 is a deficient number, since it is larger than the sum of its proper divisors (88976229482530).

111211200021230 is a wasteful number, since it uses less digits than its factorization.

111211200021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403859203.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111211200021230 its reverse (32120002112111), we get a palindrome (143331202133341).

The spelling of 111211200021230 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred million, twenty-one thousand, two hundred thirty".