10010222120221 has 4 divisors (see below), whose sum is σ = 10010514278752. Its totient is φ = 10009929961692.

The previous prime is 10010222120209. The next prime is 10010222120243. The reversal of 10010222120221 is 12202122201001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10010222120221 - 2¹¹ = 10010222118173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010222120195 and 10010222120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010222120251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146027865 + ... + 146096398.

It is an arithmetic number, because the mean of its divisors is an integer number (2502628569688).

Almost surely, 2^{10010222120221} is an apocalyptic number.

It is an amenable number.

10010222120221 is a deficient number, since it is larger than the sum of its proper divisors (292158531).

10010222120221 is an equidigital number, since it uses as much as digits as its factorization.

10010222120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292158530.

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

Adding to 10010222120221 its reverse (12202122201001), we get a palindrome (22212344321222).

The spelling of 10010222120221 in words is "ten trillion, ten billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-one".