1021020330097 has 2 divisors, whose sum is σ = 1021020330098. Its totient is φ = 1021020330096.

The previous prime is 1021020330013. The next prime is 1021020330103. The reversal of 1021020330097 is 7900330201201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766939814001 + 254080516096 = 875751^2 + 504064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021020330097 - 2¹⁵ = 1021020297329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021020330397) 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, 510510165048 + 510510165049.

It is an arithmetic number, because the mean of its divisors is an integer number (510510165049).

Almost surely, 2^{1021020330097} is an apocalyptic number.

It is an amenable number.

1021020330097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021020330097 is an equidigital number, since it uses as much as digits as its factorization.

1021020330097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 1021020330097 its reverse (7900330201201), we get a palindrome (8921350531298).

The spelling of 1021020330097 in words is "one trillion, twenty-one billion, twenty million, three hundred thirty thousand, ninety-seven".