100222102621 has 2 divisors, whose sum is σ = 100222102622. Its totient is φ = 100222102620.

The previous prime is 100222102609. The next prime is 100222102663. The reversal of 100222102621 is 126201222001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96599748025 + 3622354596 = 310805^2 + 60186^2 .

It is a cyclic number.

It is not a de Polignac number, because 100222102621 - 2⁹ = 100222102109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100222102691) 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, 50111051310 + 50111051311.

It is an arithmetic number, because the mean of its divisors is an integer number (50111051311).

Almost surely, 2^100222102621 is an apocalyptic number.

It is an amenable number.

100222102621 is a deficient number, since it is larger than the sum of its proper divisors (1).

100222102621 is an equidigital number, since it uses as much as digits as its factorization.

100222102621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 100222102621 its reverse (126201222001), we get a palindrome (226423324622).

The spelling of 100222102621 in words is "one hundred billion, two hundred twenty-two million, one hundred two thousand, six hundred twenty-one".