11222111102212 has 12 divisors (see below), whose sum is σ = 19641963772480. Its totient is φ = 5610121452936.

The previous prime is 11222111102159. The next prime is 11222111102249. The reversal of 11222111102212 is 21220111122211.

It is a happy number.

It is a super-2 number, since 2×11222111102212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11222111102212.

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, 233497512 + ... + 233545567.

Almost surely, 2^{11222111102212} is an apocalyptic number.

It is an amenable number.

11222111102212 is a deficient number, since it is larger than the sum of its proper divisors (8419852670268).

11222111102212 is a wasteful number, since it uses less digits than its factorization.

11222111102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467049090 (or 467049088 counting only the distinct ones).

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

Adding to 11222111102212 its reverse (21220111122211), we get a palindrome (32442222224423).

The spelling of 11222111102212 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, one hundred two thousand, two hundred twelve".