11012211101212 has 12 divisors (see below), whose sum is σ = 19291094479440. Its totient is φ = 5500469821376.

The previous prime is 11012211101153. The next prime is 11012211101261. The reversal of 11012211101212 is 21210111221011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408927912 + ... + 1408935727.

It is an arithmetic number, because the mean of its divisors is an integer number (1607591206620).

Almost surely, 2^{11012211101212} is an apocalyptic number.

It is an amenable number.

11012211101212 is a deficient number, since it is larger than the sum of its proper divisors (8278883378228).

11012211101212 is a wasteful number, since it uses less digits than its factorization.

11012211101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817864620 (or 2817864618 counting only the distinct ones).

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

Adding to 11012211101212 its reverse (21210111221011), we get a palindrome (32222322322223).

The spelling of 11012211101212 in words is "eleven trillion, twelve billion, two hundred eleven million, one hundred one thousand, two hundred twelve".