212221011010 has 8 divisors (see below), whose sum is σ = 381997819836. Its totient is φ = 84888404400.

The previous prime is 212221010993. The next prime is 212221011031. The reversal of 212221011010 is 10110122212.

212221011010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209305335001 + 2915676009 = 457499^2 + 53997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10611050541 + ... + 10611050560.

Almost surely, 2^212221011010 is an apocalyptic number.

212221011010 is a deficient number, since it is larger than the sum of its proper divisors (169776808826).

212221011010 is a wasteful number, since it uses less digits than its factorization.

212221011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21222101108.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212221011010 its reverse (10110122212), we get a palindrome (222331133222).

The spelling of 212221011010 in words is "two hundred twelve billion, two hundred twenty-one million, eleven thousand, ten".