212221002010100 has 36 divisors (see below), whose sum is σ = 470317863188544. Its totient is φ = 83082264614880.

The previous prime is 212221002010097. The next prime is 212221002010289. The reversal of 212221002010100 is 1010200122212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22576697642 + ... + 22576707041.

Almost surely, 2^{212221002010100} is an apocalyptic number.

212221002010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212221002010100 is an abundant number, since it is smaller than the sum of its proper divisors (258096861178444).

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

212221002010100 is a wasteful number, since it uses less digits than its factorization.

212221002010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45153404744 (or 45153404737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212221002010100 its reverse (1010200122212), we get a palindrome (213231202132312).

The spelling of 212221002010100 in words is "two hundred twelve trillion, two hundred twenty-one billion, two million, ten thousand, one hundred".