1010201019689 has 2 divisors, whose sum is σ = 1010201019690. Its totient is φ = 1010201019688.

The previous prime is 1010201019673. The next prime is 1010201019697. The reversal of 1010201019689 is 9869101020101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630621809689 + 379579210000 = 794117^2 + 616100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010201019689 - 2⁴ = 1010201019673 is a prime.

It is a super-2 number, since 2×1010201019689² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1010201018689) 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, 505100509844 + 505100509845.

It is an arithmetic number, because the mean of its divisors is an integer number (505100509845).

Almost surely, 2^{1010201019689} is an apocalyptic number.

It is an amenable number.

1010201019689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010201019689 is an equidigital number, since it uses as much as digits as its factorization.

1010201019689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 38.

The spelling of 1010201019689 in words is "one trillion, ten billion, two hundred one million, nineteen thousand, six hundred eighty-nine".