1000221300109 has 2 divisors, whose sum is σ = 1000221300110. Its totient is φ = 1000221300108.

The previous prime is 1000221300101. The next prime is 1000221300209. The reversal of 1000221300109 is 9010031220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559130062500 + 441091237609 = 747750^2 + 664147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000221300109 - 2³ = 1000221300101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000221300101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500110650054 + 500110650055.

It is an arithmetic number, because the mean of its divisors is an integer number (500110650055).

Almost surely, 2^{1000221300109} is an apocalyptic number.

It is an amenable number.

1000221300109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000221300109 is an equidigital number, since it uses as much as digits as its factorization.

1000221300109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 1000221300109 in words is "one trillion, two hundred twenty-one million, three hundred thousand, one hundred nine".