212021112211 has 8 divisors (see below), whose sum is σ = 212794962048. Its totient is φ = 211247400000.

The previous prime is 212021112203. The next prime is 212021112229. The reversal of 212021112211 is 112211120212.

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 212021112211 - 2³ = 212021112203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021112241) 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, 3845086 + ... + 3899836.

It is an arithmetic number, because the mean of its divisors is an integer number (26599370256).

Almost surely, 2^212021112211 is an apocalyptic number.

212021112211 is a deficient number, since it is larger than the sum of its proper divisors (773849837).

212021112211 is a wasteful number, since it uses less digits than its factorization.

212021112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68813.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212021112211 its reverse (112211120212), we get a palindrome (324232232423).

The spelling of 212021112211 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred eleven".