212220302211 has 48 divisors (see below), whose sum is σ = 325565630208. Its totient is φ = 138105324000.

The previous prime is 212220302209. The next prime is 212220302221. The reversal of 212220302211 is 112203022212.

It is not a de Polignac number, because 212220302211 - 2¹ = 212220302209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212220302221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1681660 + ... + 1803446.

It is an arithmetic number, because the mean of its divisors is an integer number (6782617296).

Almost surely, 2^212220302211 is an apocalyptic number.

212220302211 is a deficient number, since it is larger than the sum of its proper divisors (113345327997).

212220302211 is a wasteful number, since it uses less digits than its factorization.

212220302211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121974 (or 121962 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212220302211 its reverse (112203022212), we get a palindrome (324423324423).

The spelling of 212220302211 in words is "two hundred twelve billion, two hundred twenty million, three hundred two thousand, two hundred eleven".