1021112020273 has 2 divisors, whose sum is σ = 1021112020274. Its totient is φ = 1021112020272.

The previous prime is 1021112020211. The next prime is 1021112020283. The reversal of 1021112020273 is 3720202111201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664784207649 + 356327812624 = 815343^2 + 596932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021112020273 - 2²⁹ = 1020575149361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021112020283) 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, 510556010136 + 510556010137.

It is an arithmetic number, because the mean of its divisors is an integer number (510556010137).

Almost surely, 2^{1021112020273} is an apocalyptic number.

It is an amenable number.

1021112020273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021112020273 is an equidigital number, since it uses as much as digits as its factorization.

1021112020273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 1021112020273 its reverse (3720202111201), we get a palindrome (4741314131474).

The spelling of 1021112020273 in words is "one trillion, twenty-one billion, one hundred twelve million, twenty thousand, two hundred seventy-three".