10002221001 has 12 divisors (see below), whose sum is σ = 14516127600. Its totient is φ = 6636543480.

The previous prime is 10002220981. The next prime is 10002221039. The reversal of 10002221001 is 10012220001.

10002221001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10002221001 - 2⁶ = 10002220937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10002221501) 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 11 ways as a sum of consecutive naturals, for example, 2631651 + ... + 2635448.

It is an arithmetic number, because the mean of its divisors is an integer number (1209677300).

Almost surely, 2^10002221001 is an apocalyptic number.

It is an amenable number.

10002221001 is a deficient number, since it is larger than the sum of its proper divisors (4513906599).

10002221001 is a wasteful number, since it uses less digits than its factorization.

10002221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267316 (or 5267313 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10002221001 its reverse (10012220001), we get a palindrome (20014441002).

The spelling of 10002221001 in words is "ten billion, two million, two hundred twenty-one thousand, one".