211112020101212 has 6 divisors (see below), whose sum is σ = 369446035177128. Its totient is φ = 105556010050604.

The previous prime is 211112020101193. The next prime is 211112020101289. The reversal of 211112020101212 is 212101020211112.

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, 26389002512648 + ... + 26389002512655.

It is an arithmetic number, because the mean of its divisors is an integer number (61574339196188).

Almost surely, 2^{211112020101212} is an apocalyptic number.

It is an amenable number.

211112020101212 is a deficient number, since it is larger than the sum of its proper divisors (158334015075916).

211112020101212 is a wasteful number, since it uses less digits than its factorization.

211112020101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52778005025307 (or 52778005025305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211112020101212 its reverse (212101020211112), we get a palindrome (423213040312324).

The spelling of 211112020101212 in words is "two hundred eleven trillion, one hundred twelve billion, twenty million, one hundred one thousand, two hundred twelve".