11221121000212 has 24 divisors (see below), whose sum is σ = 19887912038120. Its totient is φ = 5539143260160.

The previous prime is 11221121000161. The next prime is 11221121000267. The reversal of 11221121000212 is 21200012112211.

11221121000212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2008949055876 + 9212171944336 = 1417374^2 + 3035156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35196339 + ... + 35513722.

Almost surely, 2^{11221121000212} is an apocalyptic number.

It is an amenable number.

11221121000212 is a deficient number, since it is larger than the sum of its proper divisors (8666791037908).

11221121000212 is a wasteful number, since it uses less digits than its factorization.

11221121000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70710571 (or 70710569 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221121000212 its reverse (21200012112211), we get a palindrome (32421133112423).

The spelling of 11221121000212 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twelve", and thus it is an aban number.