10221102020221 has 8 divisors (see below), whose sum is σ = 10239112097280. Its totient is φ = 10203107492688.

The previous prime is 10221102020209. The next prime is 10221102020257. The reversal of 10221102020221 is 12202020112201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10221102020221 - 2⁴³ = 1425008998013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221102020195 and 10221102020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221102020281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571181 + ... + 5201266.

It is an arithmetic number, because the mean of its divisors is an integer number (1279889012160).

Almost surely, 2^{10221102020221} is an apocalyptic number.

It is an amenable number.

10221102020221 is a deficient number, since it is larger than the sum of its proper divisors (18010077059).

10221102020221 is an equidigital number, since it uses as much as digits as its factorization.

10221102020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774763.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10221102020221 its reverse (12202020112201), we get a palindrome (22423122132422).

The spelling of 10221102020221 in words is "ten trillion, two hundred twenty-one billion, one hundred two million, twenty thousand, two hundred twenty-one".