100222020202001 has 2 divisors, whose sum is σ = 100222020202002. Its totient is φ = 100222020202000.

The previous prime is 100222020201971. The next prime is 100222020202021. The reversal of 100222020202001 is 100202020222001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66902976971776 + 33319043230225 = 8179424^2 + 5772265^2 .

It is a cyclic number.

It is not a de Polignac number, because 100222020202001 - 2²⁶ = 100221953093137 is a prime.

It is not a weakly prime, because it can be changed into another prime (100222020202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111010101000 + 50111010101001.

It is an arithmetic number, because the mean of its divisors is an integer number (50111010101001).

Almost surely, 2^{100222020202001} is an apocalyptic number.

It is an amenable number.

100222020202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

100222020202001 is an equidigital number, since it uses as much as digits as its factorization.

100222020202001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100222020202001 its reverse (100202020222001), we get a palindrome (200424040424002).

The spelling of 100222020202001 in words is "one hundred trillion, two hundred twenty-two billion, twenty million, two hundred two thousand, one".