100002110010221 has 2 divisors, whose sum is σ = 100002110010222. Its totient is φ = 100002110010220.

The previous prime is 100002110010151. The next prime is 100002110010251. The reversal of 100002110010221 is 122010011200001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81277978084900 + 18724131925321 = 9015430^2 + 4327139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100002110010221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100002110010251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001055005110 + 50001055005111.

It is an arithmetic number, because the mean of its divisors is an integer number (50001055005111).

Almost surely, 2^{100002110010221} is an apocalyptic number.

It is an amenable number.

100002110010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002110010221 is an equidigital number, since it uses as much as digits as its factorization.

100002110010221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100002110010221 its reverse (122010011200001), we get a palindrome (222012121210222).

The spelling of 100002110010221 in words is "one hundred trillion, two billion, one hundred ten million, ten thousand, two hundred twenty-one".