11212212210112 has 14 divisors (see below), whose sum is σ = 22249233604568. Its totient is φ = 5606106105024.

The previous prime is 11212212210079. The next prime is 11212212210187. The reversal of 11212212210112 is 21101221221211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212212210112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87595407828 + ... + 87595407955.

Almost surely, 2^{11212212210112} is an apocalyptic number.

It is an amenable number.

11212212210112 is a deficient number, since it is larger than the sum of its proper divisors (11037021394456).

11212212210112 is an equidigital number, since it uses as much as digits as its factorization.

11212212210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175190815795 (or 175190815785 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11212212210112 its reverse (21101221221211), we get a palindrome (32313433431323).

It can be divided in two parts, 1121221 and 2210112, that added together give a palindrome (3331333).

The spelling of 11212212210112 in words is "eleven trillion, two hundred twelve billion, two hundred twelve million, two hundred ten thousand, one hundred twelve".