11212201022212 has 12 divisors (see below), whose sum is σ = 19811850350656. Its totient is φ = 5551672350600.

The previous prime is 11212201022207. The next prime is 11212201022261. The reversal of 11212201022212 is 21222010221211.

It is a self number, because there is not a number n which added to its sum of digits gives 11212201022212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13607039664 + ... + 13607040487.

Almost surely, 2^{11212201022212} is an apocalyptic number.

It is an amenable number.

11212201022212 is a deficient number, since it is larger than the sum of its proper divisors (8599649328444).

11212201022212 is a wasteful number, since it uses less digits than its factorization.

11212201022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27214080258 (or 27214080256 counting only the distinct ones).

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

Adding to 11212201022212 its reverse (21222010221211), we get a palindrome (32434211243423).

The spelling of 11212201022212 in words is "eleven trillion, two hundred twelve billion, two hundred one million, twenty-two thousand, two hundred twelve".