212101222210 has 96 divisors (see below), whose sum is σ = 412932054528. Its totient is φ = 78352116480.

The previous prime is 212101222133. The next prime is 212101222259. The reversal of 212101222210 is 12222101212.

It is a happy number.

212101222210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85765534 + ... + 85768006.

It is an arithmetic number, because the mean of its divisors is an integer number (4301375568).

Almost surely, 2^212101222210 is an apocalyptic number.

212101222210 is a deficient number, since it is larger than the sum of its proper divisors (200830832318).

212101222210 is a wasteful number, since it uses less digits than its factorization.

212101222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080 (or 3057 counting only the distinct ones).

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

Adding to 212101222210 its reverse (12222101212), we get a palindrome (224323323422).

The spelling of 212101222210 in words is "two hundred twelve billion, one hundred one million, two hundred twenty-two thousand, two hundred ten".