11220112202212 has 24 divisors (see below), whose sum is σ = 19682796186872. Its totient is φ = 5596468070400.

The previous prime is 11220112202161. The next prime is 11220112202213. The reversal of 11220112202212 is 21220221102211.

It can be written as a sum of positive squares in 4 ways, for example, as 270009101376 + 10950103100836 = 519624^2 + 3309094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11220112202212.

It is not an unprimeable number, because it can be changed into a prime (11220112202213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2278468 + ... + 5256580.

Almost surely, 2^{11220112202212} is an apocalyptic number.

It is an amenable number.

11220112202212 is a deficient number, since it is larger than the sum of its proper divisors (8462683984660).

11220112202212 is a wasteful number, since it uses less digits than its factorization.

11220112202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980399 (or 2980397 counting only the distinct ones).

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

Adding to 11220112202212 its reverse (21220221102211), we get a palindrome (32440333304423).

The spelling of 11220112202212 in words is "eleven trillion, two hundred twenty billion, one hundred twelve million, two hundred two thousand, two hundred twelve".