212212220011 has 8 divisors (see below), whose sum is σ = 239487145200. Its totient is φ = 186267779040.

The previous prime is 212212219981. The next prime is 212212220023. The reversal of 212212220011 is 110022212212.

It is a happy number.

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 212212220011 - 2⁵ = 212212219979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212220081) 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, 332620716 + ... + 332621353.

It is an arithmetic number, because the mean of its divisors is an integer number (29935893150).

Almost surely, 2^212212220011 is an apocalyptic number.

212212220011 is a deficient number, since it is larger than the sum of its proper divisors (27274925189).

212212220011 is a wasteful number, since it uses less digits than its factorization.

212212220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665242109.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212212220011 its reverse (110022212212), we get a palindrome (322234432223).

The spelling of 212212220011 in words is "two hundred twelve billion, two hundred twelve million, two hundred twenty thousand, eleven".