10212221110100 has 72 divisors (see below), whose sum is σ = 22385964690936. Its totient is φ = 4043353600000.

The previous prime is 10212221110073. The next prime is 10212221110177. The reversal of 10212221110100 is 101112221201.

It can be written as a sum of positive squares in 12 ways, for example, as 2821902741904 + 7390318368196 = 1679852^2 + 2718514^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37851680 + ... + 38120520.

It is an arithmetic number, because the mean of its divisors is an integer number (310916176263).

Almost surely, 2^{10212221110100} is an apocalyptic number.

10212221110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212221110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11192982345468).

10212221110100 is an abundant number, since it is smaller than the sum of its proper divisors (12173743580836).

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

10212221110100 is a wasteful number, since it uses less digits than its factorization.

10212221110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272717 (or 272710 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10212221110100 its reverse (101112221201), we get a palindrome (10313333331301).

The spelling of 10212221110100 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, one hundred".