10010002221221 has 4 divisors (see below), whose sum is σ = 10014911493600. Its totient is φ = 10005092948844.

The previous prime is 10010002221181. The next prime is 10010002221253. The reversal of 10010002221221 is 12212220001001.

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 10010002221221 - 2⁶ = 10010002221157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010002221196 and 10010002221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010002121221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454633131 + ... + 2454637208.

It is an arithmetic number, because the mean of its divisors is an integer number (2503727873400).

Almost surely, 2^{10010002221221} is an apocalyptic number.

It is an amenable number.

10010002221221 is a deficient number, since it is larger than the sum of its proper divisors (4909272379).

10010002221221 is an equidigital number, since it uses as much as digits as its factorization.

10010002221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909272378.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10010002221221 its reverse (12212220001001), we get a palindrome (22222222222222).

The spelling of 10010002221221 in words is "ten trillion, ten billion, two million, two hundred twenty-one thousand, two hundred twenty-one".