10000220020221 has 32 divisors (see below), whose sum is σ = 13492415692800. Its totient is φ = 6587849366784.

The previous prime is 10000220020201. The next prime is 10000220020237. The reversal of 10000220020221 is 12202002200001.

It is not a de Polignac number, because 10000220020221 - 2²⁷ = 10000085802493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10000220020197 and 10000220020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000220020201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 966853576 + ... + 966863918.

It is an arithmetic number, because the mean of its divisors is an integer number (421637990400).

Almost surely, 2^{10000220020221} is an apocalyptic number.

It is an amenable number.

10000220020221 is a deficient number, since it is larger than the sum of its proper divisors (3492195672579).

10000220020221 is a wasteful number, since it uses less digits than its factorization.

10000220020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20385.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10000220020221 its reverse (12202002200001), we get a palindrome (22202222220222).

The spelling of 10000220020221 in words is "ten trillion, two hundred twenty million, twenty thousand, two hundred twenty-one".