11221220102212 has 24 divisors (see below), whose sum is σ = 20008848194496. Its totient is φ = 5504419041888.

The previous prime is 11221220102203. The next prime is 11221220102233. The reversal of 11221220102212 is 21220102212211.

It is a self number, because there is not a number n which added to its sum of digits gives 11221220102212.

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, 1970073 + ... + 5130655.

It is an arithmetic number, because the mean of its divisors is an integer number (833702008104).

Almost surely, 2^{11221220102212} is an apocalyptic number.

It is an amenable number.

11221220102212 is a deficient number, since it is larger than the sum of its proper divisors (8787628092284).

11221220102212 is a wasteful number, since it uses less digits than its factorization.

11221220102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177387 (or 3177385 counting only the distinct ones).

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

Adding to 11221220102212 its reverse (21220102212211), we get a palindrome (32441322314423).

The spelling of 11221220102212 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty million, one hundred two thousand, two hundred twelve".