212242242211 has 8 divisors (see below), whose sum is σ = 213010076160. Its totient is φ = 211475306568.

The previous prime is 212242242187. The next prime is 212242242217. The reversal of 212242242211 is 112242242212.

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 212242242211 - 2³⁷ = 74803288739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212242242217) 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, 250630 + ... + 698068.

It is an arithmetic number, because the mean of its divisors is an integer number (26626259520).

Almost surely, 2^212242242211 is an apocalyptic number.

212242242211 is a deficient number, since it is larger than the sum of its proper divisors (767833949).

212242242211 is a wasteful number, since it uses less digits than its factorization.

212242242211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449153.

The product of its digits is 2048, while the sum is 25.

Adding to 212242242211 its reverse (112242242212), we get a palindrome (324484484423).

Subtracting from 212242242211 its reverse (112242242212), we obtain a palindrome (99999999999).

The spelling of 212242242211 in words is "two hundred twelve billion, two hundred forty-two million, two hundred forty-two thousand, two hundred eleven".