10102221021 has 32 divisors (see below), whose sum is σ = 14099184000. Its totient is φ = 6425968640.

The previous prime is 10102220959. The next prime is 10102221061. The reversal of 10102221021 is 12012220101.

10102221021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10102221021 - 2¹³ = 10102212829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10102220988 and 10102221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102221061) 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 31 ways as a sum of consecutive naturals, for example, 2927305 + ... + 2930753.

It is an arithmetic number, because the mean of its divisors is an integer number (440599500).

Almost surely, 2^10102221021 is an apocalyptic number.

It is an amenable number.

10102221021 is a deficient number, since it is larger than the sum of its proper divisors (3996962979).

10102221021 is a wasteful number, since it uses less digits than its factorization.

10102221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10102221021 its reverse (12012220101), we get a palindrome (22114441122).

The spelling of 10102221021 in words is "ten billion, one hundred two million, two hundred twenty-one thousand, twenty-one".