212210220100 has 36 divisors (see below), whose sum is σ = 461564707968. Its totient is φ = 84687124000.

The previous prime is 212210220059. The next prime is 212210220119. The reversal of 212210220100 is 1022012212.

It is a happy number.

212210220100 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 11 ways as a sum of consecutive naturals, for example, 2418736 + ... + 2504935.

It is an arithmetic number, because the mean of its divisors is an integer number (12821241888).

Almost surely, 2^212210220100 is an apocalyptic number.

212210220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210220100 is an abundant number, since it is smaller than the sum of its proper divisors (249354487868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212210220100 is a wasteful number, since it uses less digits than its factorization.

212210220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924116 (or 4924109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212210220100 its reverse (1022012212), we get a palindrome (213232232312).

The spelling of 212210220100 in words is "two hundred twelve billion, two hundred ten million, two hundred twenty thousand, one hundred".