1000220104109 has 2 divisors, whose sum is σ = 1000220104110. Its totient is φ = 1000220104108.

The previous prime is 1000220104073. The next prime is 1000220104153. The reversal of 1000220104109 is 9014010220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 738659459209 + 261560644900 = 859453^2 + 511430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000220104109 - 2²⁴ = 1000203326893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000220604109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500110052054 + 500110052055.

It is an arithmetic number, because the mean of its divisors is an integer number (500110052055).

Almost surely, 2^{1000220104109} is an apocalyptic number.

It is an amenable number.

1000220104109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000220104109 is an equidigital number, since it uses as much as digits as its factorization.

1000220104109 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 20.

The spelling of 1000220104109 in words is "one trillion, two hundred twenty million, one hundred four thousand, one hundred nine".