2021133110201 has 8 divisors (see below), whose sum is σ = 2141736705000. Its totient is φ = 1900719894528.

The previous prime is 2021133110177. The next prime is 2021133110209. The reversal of 2021133110201 is 1020113311202.

It can be written as a sum of positive squares in 4 ways, for example, as 261477799801 + 1759655310400 = 511349^2 + 1326520^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021133110201 - 2³⁸ = 1746255203257 is a prime.

It is a super-2 number, since 2×2021133110201² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021133110201.

It is not an unprimeable number, because it can be changed into a prime (2021133110209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47572916 + ... + 47615381.

It is an arithmetic number, because the mean of its divisors is an integer number (267717088125).

Almost surely, 2^{2021133110201} is an apocalyptic number.

It is an amenable number.

2021133110201 is a deficient number, since it is larger than the sum of its proper divisors (120603594799).

2021133110201 is a wasteful number, since it uses less digits than its factorization.

2021133110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95189563.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2021133110201 its reverse (1020113311202), we get a palindrome (3041246421403).

The spelling of 2021133110201 in words is "two trillion, twenty-one billion, one hundred thirty-three million, one hundred ten thousand, two hundred one".