10003022021 has 2 divisors, whose sum is σ = 10003022022. Its totient is φ = 10003022020.

The previous prime is 10003021961. The next prime is 10003022041. The reversal of 10003022021 is 12022030001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6425785921 + 3577236100 = 80161^2 + 59810^2 .

It is a cyclic number.

It is not a de Polignac number, because 10003022021 - 2¹⁴ = 10003005637 is a prime.

It is a super-2 number, since 2×10003022021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10003021993 and 10003022011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10003022041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001511010 + 5001511011.

It is an arithmetic number, because the mean of its divisors is an integer number (5001511011).

Almost surely, 2^10003022021 is an apocalyptic number.

It is an amenable number.

10003022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10003022021 is an equidigital number, since it uses as much as digits as its factorization.

10003022021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10003022021 its reverse (12022030001), we get a palindrome (22025052022).

The spelling of 10003022021 in words is "ten billion, three million, twenty-two thousand, twenty-one".