201020202011001 has 32 divisors (see below), whose sum is σ = 296211695523840. Its totient is φ = 120613952585984.

The previous prime is 201020202010961. The next prime is 201020202011071. The reversal of 201020202011001 is 100110202020102.

It is a cyclic number.

It is not a de Polignac number, because 201020202011001 - 2²⁹ = 201019665140089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201020202011071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18677775 + ... + 27402548.

It is an arithmetic number, because the mean of its divisors is an integer number (9256615485120).

Almost surely, 2^{201020202011001} is an apocalyptic number.

It is an amenable number.

201020202011001 is a deficient number, since it is larger than the sum of its proper divisors (95191493512839).

201020202011001 is a wasteful number, since it uses less digits than its factorization.

201020202011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46084085.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201020202011001 its reverse (100110202020102), we get a palindrome (301130404031103).

The spelling of 201020202011001 in words is "two hundred one trillion, twenty billion, two hundred two million, eleven thousand, one".