111201110222212 has 12 divisors (see below), whose sum is σ = 195907996197900. Its totient is φ = 55227397022816.

The previous prime is 111201110222197. The next prime is 111201110222227. The reversal of 111201110222212 is 212222011102111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111201110222197) and next prime (111201110222227).

It can be written as a sum of positive squares in 2 ways, for example, as 15034727071296 + 96166383150916 = 3877464^2 + 9806446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111201110222212.

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 3 ways as a sum of consecutive naturals, for example, 93289521403 + ... + 93289522594.

It is an arithmetic number, because the mean of its divisors is an integer number (16325666349825).

Almost surely, 2^{111201110222212} is an apocalyptic number.

It is an amenable number.

111201110222212 is a deficient number, since it is larger than the sum of its proper divisors (84706885975688).

111201110222212 is a wasteful number, since it uses less digits than its factorization.

111201110222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186579044150 (or 186579044148 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111201110222212 its reverse (212222011102111), we get a palindrome (323423121324323).

The spelling of 111201110222212 in words is "one hundred eleven trillion, two hundred one billion, one hundred ten million, two hundred twenty-two thousand, two hundred twelve".