100021223203289 has 2 divisors, whose sum is σ = 100021223203290. Its totient is φ = 100021223203288.

The previous prime is 100021223203271. The next prime is 100021223203381. The reversal of 100021223203289 is 982302322120001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97163997552400 + 2857225650889 = 9857180^2 + 1690333^2 .

It is a cyclic number.

It is not a de Polignac number, because 100021223203289 - 2³⁶ = 99952503726553 is a prime.

It is not a weakly prime, because it can be changed into another prime (100021229203289) 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, 50010611601644 + 50010611601645.

It is an arithmetic number, because the mean of its divisors is an integer number (50010611601645).

Almost surely, 2^{100021223203289} is an apocalyptic number.

It is an amenable number.

100021223203289 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021223203289 is an equidigital number, since it uses as much as digits as its factorization.

100021223203289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 100021223203289 in words is "one hundred trillion, twenty-one billion, two hundred twenty-three million, two hundred three thousand, two hundred eighty-nine".