1001312020201 has 4 divisors (see below), whose sum is σ = 1006394822532. Its totient is φ = 996229217872.

The previous prime is 1001312020133. The next prime is 1001312020237. The reversal of 1001312020201 is 1020202131001.

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 584123918400 + 417188101801 = 764280^2 + 645901^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001312020201 - 2⁹ = 1001312019689 is a prime.

It is a super-3 number, since 3×1001312020201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001312020601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541400870 + ... + 2541401263.

It is an arithmetic number, because the mean of its divisors is an integer number (251598705633).

Almost surely, 2^{1001312020201} is an apocalyptic number.

It is an amenable number.

1001312020201 is a deficient number, since it is larger than the sum of its proper divisors (5082802331).

1001312020201 is an equidigital number, since it uses as much as digits as its factorization.

1001312020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082802330.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1001312020201 its reverse (1020202131001), we get a palindrome (2021514151202).

The spelling of 1001312020201 in words is "one trillion, one billion, three hundred twelve million, twenty thousand, two hundred one".