212211121112213 has 8 divisors (see below), whose sum is σ = 224186553945120. Its totient is φ = 200316330925200.

The previous prime is 212211121112201. The next prime is 212211121112279. The reversal of 212211121112213 is 312211121112212.

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

It is a cyclic number.

It is not a de Polignac number, because 212211121112213 - 2²⁰ = 212211120063637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211121172213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20160656063 + ... + 20160666588.

It is an arithmetic number, because the mean of its divisors is an integer number (28023319243140).

Almost surely, 2^{212211121112213} is an apocalyptic number.

It is an amenable number.

212211121112213 is a deficient number, since it is larger than the sum of its proper divisors (11975432832907).

212211121112213 is a wasteful number, since it uses less digits than its factorization.

212211121112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40321322947.

The product of its digits is 192, while the sum is 23.

Adding to 212211121112213 its reverse (312211121112212), we get a palindrome (524422242224425).

Subtracting 212211121112213 from its reverse (312211121112212), we obtain a palindrome (99999999999999).

The spelling of 212211121112213 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, two hundred thirteen".