1021010201117 has 2 divisors, whose sum is σ = 1021010201118. Its totient is φ = 1021010201116.

The previous prime is 1021010201027. The next prime is 1021010201129. The reversal of 1021010201117 is 7111020101201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751323170521 + 269687030596 = 866789^2 + 519314^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021010201117 - 2¹⁶ = 1021010135581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021010201095 and 1021010201104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021010207117) 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, 510505100558 + 510505100559.

It is an arithmetic number, because the mean of its divisors is an integer number (510505100559).

Almost surely, 2^{1021010201117} is an apocalyptic number.

It is an amenable number.

1021010201117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021010201117 is an equidigital number, since it uses as much as digits as its factorization.

1021010201117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 1021010201117 its reverse (7111020101201), we get a palindrome (8132030302318).

The spelling of 1021010201117 in words is "one trillion, twenty-one billion, ten million, two hundred one thousand, one hundred seventeen".