1010320143121 has 4 divisors (see below), whose sum is σ = 1010505835044. Its totient is φ = 1010134451200.

The previous prime is 1010320143061. The next prime is 1010320143137. The reversal of 1010320143121 is 1213410230101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243231444225 + 767088698896 = 493185^2 + 875836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010320143121 - 2²³ = 1010311754513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010320143421) 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 in 3 ways as a sum of consecutive naturals, for example, 92837800 + ... + 92848681.

It is an arithmetic number, because the mean of its divisors is an integer number (252626458761).

Almost surely, 2^{1010320143121} is an apocalyptic number.

It is an amenable number.

1010320143121 is a deficient number, since it is larger than the sum of its proper divisors (185691923).

1010320143121 is an equidigital number, since it uses as much as digits as its factorization.

1010320143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185691922.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1010320143121 its reverse (1213410230101), we get a palindrome (2223730373222).

The spelling of 1010320143121 in words is "one trillion, ten billion, three hundred twenty million, one hundred forty-three thousand, one hundred twenty-one".