11221220200012 has 12 divisors (see below), whose sum is σ = 19637170975240. Its totient is φ = 5610599921376.

The previous prime is 11221220199983. The next prime is 11221220200033. The reversal of 11221220200012 is 21000202212211.

It is a happy number.

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, 285568 + ... + 4745944.

Almost surely, 2^{11221220200012} is an apocalyptic number.

It is an amenable number.

11221220200012 is a deficient number, since it is larger than the sum of its proper divisors (8415950775228).

11221220200012 is a wasteful number, since it uses less digits than its factorization.

11221220200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089320 (or 5089318 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11221220200012 its reverse (21000202212211), we get a palindrome (32221422412223).

The spelling of 11221220200012 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty million, two hundred thousand, twelve".