11220112220212 has 12 divisors (see below), whose sum is σ = 22440224440480. Its totient is φ = 4808619522936.

The previous prime is 11220112220209. The next prime is 11220112220227. The reversal of 11220112220212 is 21202221102211.

11220112220212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220112220212.

It is a congruent 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, 200359146762 + ... + 200359146817.

Almost surely, 2^{11220112220212} is an apocalyptic number.

It is an amenable number.

11220112220212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220112220212 is a wasteful number, since it uses less digits than its factorization.

11220112220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400718293590 (or 400718293588 counting only the distinct ones).

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

Adding to 11220112220212 its reverse (21202221102211), we get a palindrome (32422333322423).

The spelling of 11220112220212 in words is "eleven trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty thousand, two hundred twelve".