212211012211 has 8 divisors (see below), whose sum is σ = 232170081984. Its totient is φ = 192363135720.

The previous prime is 212211012197. The next prime is 212211012229. The reversal of 212211012211 is 112210112212.

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 212211012211 - 2²¹ = 212208915059 is a prime.

It is a super-2 number, since 2×212211012211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211012241) 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 7 ways as a sum of consecutive naturals, for example, 27794325 + ... + 27801958.

It is an arithmetic number, because the mean of its divisors is an integer number (29021260248).

Almost surely, 2^212211012211 is an apocalyptic number.

212211012211 is a deficient number, since it is larger than the sum of its proper divisors (19959069773).

212211012211 is a wasteful number, since it uses less digits than its factorization.

212211012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55596641.

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

Adding to 212211012211 its reverse (112210112212), we get a palindrome (324421124423).

The spelling of 212211012211 in words is "two hundred twelve billion, two hundred eleven million, twelve thousand, two hundred eleven".