10002220221 has 8 divisors (see below), whose sum is σ = 15241478464. Its totient is φ = 5715554400.

The previous prime is 10002220169. The next prime is 10002220229. The reversal of 10002220221 is 12202220001.

10002220221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10002220221 - 2⁹ = 10002219709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002220197 and 10002220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002220229) 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 7 ways as a sum of consecutive naturals, for example, 238148080 + ... + 238148121.

It is an arithmetic number, because the mean of its divisors is an integer number (1905184808).

Almost surely, 2^10002220221 is an apocalyptic number.

It is an amenable number.

10002220221 is a deficient number, since it is larger than the sum of its proper divisors (5239258243).

10002220221 is an equidigital number, since it uses as much as digits as its factorization.

10002220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476296211.

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

Adding to 10002220221 its reverse (12202220001), we get a palindrome (22204440222).

The spelling of 10002220221 in words is "ten billion, two million, two hundred twenty thousand, two hundred twenty-one".