10002203231021 has 2 divisors, whose sum is σ = 10002203231022. Its totient is φ = 10002203231020.

The previous prime is 10002203231003. The next prime is 10002203231077. The reversal of 10002203231021 is 12013230220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9851682510121 + 150520720900 = 3138739^2 + 387970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10002203231021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002203231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001101615510 + 5001101615511.

It is an arithmetic number, because the mean of its divisors is an integer number (5001101615511).

Almost surely, 2^{10002203231021} is an apocalyptic number.

It is an amenable number.

10002203231021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002203231021 is an equidigital number, since it uses as much as digits as its factorization.

10002203231021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10002203231021 its reverse (12013230220001), we get a palindrome (22015433451022).

The spelling of 10002203231021 in words is "ten trillion, two billion, two hundred three million, two hundred thirty-one thousand, twenty-one".