10002210021 has 16 divisors (see below), whose sum is σ = 14864846400. Its totient is φ = 6647099184.

The previous prime is 10002210019. The next prime is 10002210059. The reversal of 10002210021 is 12001220001.

10002210021 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 10002210021 - 2¹ = 10002210019 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 10002209985 and 10002210012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002210011) 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 15 ways as a sum of consecutive naturals, for example, 575751 + ... + 592868.

It is an arithmetic number, because the mean of its divisors is an integer number (929052900).

Almost surely, 2^10002210021 is an apocalyptic number.

It is an amenable number.

10002210021 is a deficient number, since it is larger than the sum of its proper divisors (4862636379).

10002210021 is a wasteful number, since it uses less digits than its factorization.

10002210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168945 (or 1168939 counting only the distinct ones).

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

Adding to 10002210021 its reverse (12001220001), we get a palindrome (22003430022).

The spelling of 10002210021 in words is "ten billion, two million, two hundred ten thousand, twenty-one".