211011112212212 has 24 divisors (see below), whose sum is σ = 398227882752000. Its totient is φ = 97254292419936.

The previous prime is 211011112212179. The next prime is 211011112212217. The reversal of 211011112212212 is 212212211110112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011112212217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2821872212 + ... + 2821946987.

It is an arithmetic number, because the mean of its divisors is an integer number (16592828448000).

Almost surely, 2^{211011112212212} is an apocalyptic number.

It is an amenable number.

211011112212212 is a deficient number, since it is larger than the sum of its proper divisors (187216770539788).

211011112212212 is a wasteful number, since it uses less digits than its factorization.

211011112212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643819935 (or 5643819933 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 211011112212212 its reverse (212212211110112), we get a palindrome (423223323322324).

The spelling of 211011112212212 in words is "two hundred eleven trillion, eleven billion, one hundred twelve million, two hundred twelve thousand, two hundred twelve".