211113120212 has 48 divisors (see below), whose sum is σ = 403895278080. Its totient is φ = 96119654400.

The previous prime is 211113120193. The next prime is 211113120217. The reversal of 211113120212 is 212021311112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211113120217) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 11414012 + ... + 11432492.

It is an arithmetic number, because the mean of its divisors is an integer number (8414484960).

Almost surely, 2^211113120212 is an apocalyptic number.

It is an amenable number.

211113120212 is a deficient number, since it is larger than the sum of its proper divisors (192782157868).

211113120212 is a wasteful number, since it uses less digits than its factorization.

211113120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23952 (or 23950 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211113120212 its reverse (212021311112), we get a palindrome (423134431324).

The spelling of 211113120212 in words is "two hundred eleven billion, one hundred thirteen million, one hundred twenty thousand, two hundred twelve".