10001021022 has 32 divisors (see below), whose sum is σ = 22766556960. Its totient is φ = 3252363840.

The previous prime is 10001020999. The next prime is 10001021039. The reversal of 10001021022 is 22012010001.

10001021022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 10001020995 and 10001021013.

It is a congruent number.

It is an unprimeable number.

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, 2256373 + ... + 2260800.

It is an arithmetic number, because the mean of its divisors is an integer number (711454905).

Almost surely, 2^10001021022 is an apocalyptic number.

10001021022 is an abundant number, since it is smaller than the sum of its proper divisors (12765535938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001021022 is a wasteful number, since it uses less digits than its factorization.

10001021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517225 (or 4517219 counting only the distinct ones).

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

Adding to 10001021022 its reverse (22012010001), we get a palindrome (32013031023).

The spelling of 10001021022 in words is "ten billion, one million, twenty-one thousand, twenty-two".