1112212221202 has 32 divisors (see below), whose sum is σ = 1818070945920. Its totient is φ = 508320341760.

The previous prime is 1112212221193. The next prime is 1112212221203. The reversal of 1112212221202 is 2021222122111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112212221202.

It is not an unprimeable number, because it can be changed into a prime (1112212221203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3276577 + ... + 3600052.

It is an arithmetic number, because the mean of its divisors is an integer number (56814717060).

Almost surely, 2^{1112212221202} is an apocalyptic number.

1112212221202 is a deficient number, since it is larger than the sum of its proper divisors (705858724718).

1112212221202 is a wasteful number, since it uses less digits than its factorization.

1112212221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876786.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1112212221202 its reverse (2021222122111), we get a palindrome (3133434343313).

Subtracting 1112212221202 from its reverse (2021222122111), we obtain a palindrome (909009900909).

The spelling of 1112212221202 in words is "one trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-one thousand, two hundred two".