10000220011220 has 12 divisors (see below), whose sum is σ = 21000462023604. Its totient is φ = 4000088004480.

The previous prime is 10000220011213. The next prime is 10000220011237. The reversal of 10000220011220 is 2211002200001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6103409778064 + 3896810233156 = 2470508^2 + 1974034^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250005500261 + ... + 250005500300.

It is an arithmetic number, because the mean of its divisors is an integer number (1750038501967).

Almost surely, 2^{10000220011220} is an apocalyptic number.

10000220011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000220011220 is an abundant number, since it is smaller than the sum of its proper divisors (11000242012384).

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

10000220011220 is a wasteful number, since it uses less digits than its factorization.

10000220011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500011000570 (or 500011000568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10000220011220 its reverse (2211002200001), we get a palindrome (12211222211221).

The spelling of 10000220011220 in words is "ten trillion, two hundred twenty million, eleven thousand, two hundred twenty".