201020020101001 has 8 divisors (see below), whose sum is σ = 207953121816000. Its totient is φ = 194087010178320.

The previous prime is 201020020100987. The next prime is 201020020101097. The reversal of 201020020101001 is 100101020020102.

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 201020020101001 - 2¹⁷ = 201020019969929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201020020101101) 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, 18477901 + ... + 27266698.

It is an arithmetic number, because the mean of its divisors is an integer number (25994140227000).

Almost surely, 2^{201020020101001} is an apocalyptic number.

It is an amenable number.

201020020101001 is a deficient number, since it is larger than the sum of its proper divisors (6933101714999).

201020020101001 is a wasteful number, since it uses less digits than its factorization.

201020020101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45896159.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201020020101001 its reverse (100101020020102), we get a palindrome (301121040121103).

The spelling of 201020020101001 in words is "two hundred one trillion, twenty billion, twenty million, one hundred one thousand, one".