11211333311212 has 24 divisors (see below), whose sum is σ = 20127037012992. Its totient is φ = 5461141392000.

The previous prime is 11211333311203. The next prime is 11211333311219. The reversal of 11211333311212 is 21211333311211.

It is not an unprimeable number, because it can be changed into a prime (11211333311219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48645228 + ... + 48875155.

It is an arithmetic number, because the mean of its divisors is an integer number (838626542208).

Almost surely, 2^{11211333311212} is an apocalyptic number.

It is an amenable number.

11211333311212 is a deficient number, since it is larger than the sum of its proper divisors (8915703701780).

11211333311212 is a wasteful number, since it uses less digits than its factorization.

11211333311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97521129 (or 97521127 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

Adding to 11211333311212 its reverse (21211333311211), we get a palindrome (32422666622423).

Subtracting 11211333311212 from its reverse (21211333311211), we obtain a palindrome (9999999999999).

The spelling of 11211333311212 in words is "eleven trillion, two hundred eleven billion, three hundred thirty-three million, three hundred eleven thousand, two hundred twelve".