11221222012012 has 12 divisors (see below), whose sum is σ = 19660998962416. Its totient is φ = 5603793737040.

The previous prime is 11221222011997. The next prime is 11221222012019. The reversal of 11221222012012 is 21021022212211.

11221222012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11221222012012³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221222012019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704313539 + ... + 1704320122.

Almost surely, 2^{11221222012012} is an apocalyptic number.

It is an amenable number.

11221222012012 is a deficient number, since it is larger than the sum of its proper divisors (8439776950404).

11221222012012 is a wasteful number, since it uses less digits than its factorization.

11221222012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408634488 (or 3408634486 counting only the distinct ones).

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

Adding to 11221222012012 its reverse (21021022212211), we get a palindrome (32242244224223).

The spelling of 11221222012012 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-two million, twelve thousand, twelve".