1001021298973 has 2 divisors, whose sum is σ = 1001021298974. Its totient is φ = 1001021298972.

The previous prime is 1001021298967. The next prime is 1001021299039. The reversal of 1001021298973 is 3798921201001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940641997689 + 60379301284 = 969867^2 + 245722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001021298973 - 2¹⁷ = 1001021167901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001021298943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500510649486 + 500510649487.

It is an arithmetic number, because the mean of its divisors is an integer number (500510649487).

Almost surely, 2^{1001021298973} is an apocalyptic number.

It is an amenable number.

1001021298973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001021298973 is an equidigital number, since it uses as much as digits as its factorization.

1001021298973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

Adding to 1001021298973 its reverse (3798921201001), we get a palindrome (4799942499974).

The spelling of 1001021298973 in words is "one trillion, one billion, twenty-one million, two hundred ninety-eight thousand, nine hundred seventy-three".