212112221221113 has 8 divisors (see below), whose sum is σ = 283055766850176. Its totient is φ = 141288411536400.

The previous prime is 212112221221093. The next prime is 212112221221129. The reversal of 212112221221113 is 311122122211212.

It is a happy number.

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

It is not a de Polignac number, because 212112221221113 - 2⁸ = 212112221220857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112221223113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29933981953 + ... + 29933989038.

It is an arithmetic number, because the mean of its divisors is an integer number (35381970856272).

Almost surely, 2^{212112221221113} is an apocalyptic number.

It is an amenable number.

212112221221113 is a deficient number, since it is larger than the sum of its proper divisors (70943545629063).

212112221221113 is a wasteful number, since it uses less digits than its factorization.

212112221221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59867972175.

The product of its digits is 384, while the sum is 24.

Adding to 212112221221113 its reverse (311122122211212), we get a palindrome (523234343432325).

Subtracting 212112221221113 from its reverse (311122122211212), we obtain a palindrome (99009900990099).

The spelling of 212112221221113 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred thirteen".