11201120222212 has 48 divisors (see below), whose sum is σ = 21041628077232. Its totient is φ = 5198341017600.

The previous prime is 11201120222191. The next prime is 11201120222239. The reversal of 11201120222212 is 21222202110211.

It can be written as a sum of positive squares in 8 ways, for example, as 137088024516 + 11064032197696 = 370254^2 + 3326264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11201120222212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47203462 + ... + 47440162.

It is an arithmetic number, because the mean of its divisors is an integer number (438367251609).

Almost surely, 2^{11201120222212} is an apocalyptic number.

It is an amenable number.

11201120222212 is a deficient number, since it is larger than the sum of its proper divisors (9840507855020).

11201120222212 is a wasteful number, since it uses less digits than its factorization.

11201120222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246328 (or 246326 counting only the distinct ones).

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

Adding to 11201120222212 its reverse (21222202110211), we get a palindrome (32423322332423).

The spelling of 11201120222212 in words is "eleven trillion, two hundred one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twelve".