1020010201109 has 2 divisors, whose sum is σ = 1020010201110. Its totient is φ = 1020010201108.

The previous prime is 1020010201057. The next prime is 1020010201123. The reversal of 1020010201109 is 9011020100201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733801250884 + 286208950225 = 856622^2 + 534985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020010201109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020010201159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510005100554 + 510005100555.

It is an arithmetic number, because the mean of its divisors is an integer number (510005100555).

Almost surely, 2^{1020010201109} is an apocalyptic number.

It is an amenable number.

1020010201109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020010201109 is an equidigital number, since it uses as much as digits as its factorization.

1020010201109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1020010201109 in words is "one trillion, twenty billion, ten million, two hundred one thousand, one hundred nine".