11212120002112 has 14 divisors (see below), whose sum is σ = 22249050629318. Its totient is φ = 5606060001024.

The previous prime is 11212120002091. The next prime is 11212120002137. The reversal of 11212120002112 is 21120002121211.

It can be written as a sum of positive squares in only one way, i.e., 9548989940736 + 1663130061376 = 3090144^2 + 1289624^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87594687453 + ... + 87594687580.

Almost surely, 2^{11212120002112} is an apocalyptic number.

It is an amenable number.

11212120002112 is a deficient number, since it is larger than the sum of its proper divisors (11036930627206).

11212120002112 is an equidigital number, since it uses as much as digits as its factorization.

11212120002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175189375045 (or 175189375035 counting only the distinct ones).

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

Adding to 11212120002112 its reverse (21120002121211), we get a palindrome (32332122123323).

The spelling of 11212120002112 in words is "eleven trillion, two hundred twelve billion, one hundred twenty million, two thousand, one hundred twelve".