212211232113 has 8 divisors (see below), whose sum is σ = 283948127968. Its totient is φ = 140974245504.

The previous prime is 212211232109. The next prime is 212211232183. The reversal of 212211232113 is 311232112212.

212211232113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212211232113 - 2² = 212211232109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212211232113.

It is not an unprimeable number, because it can be changed into a prime (212211232183) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 124976320 + ... + 124978017.

It is an arithmetic number, because the mean of its divisors is an integer number (35493515996).

Almost surely, 2^212211232113 is an apocalyptic number.

It is an amenable number.

212211232113 is a deficient number, since it is larger than the sum of its proper divisors (71736895855).

212211232113 is a wasteful number, since it uses less digits than its factorization.

212211232113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249954623.

The product of its digits is 288, while the sum is 21.

Adding to 212211232113 its reverse (311232112212), we get a palindrome (523443344325).

The spelling of 212211232113 in words is "two hundred twelve billion, two hundred eleven million, two hundred thirty-two thousand, one hundred thirteen".