201020112201001 has 8 divisors (see below), whose sum is σ = 205752198903680. Its totient is φ = 196341495404832.

The previous prime is 201020112200939. The next prime is 201020112201017. The reversal of 201020112201001 is 100102211020102.

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 201020112201001 - 2²¹ = 201020110103849 is a prime.

It is a super-2 number, since 2×201020112201001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201020112201401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13367469021 + ... + 13367484058.

It is an arithmetic number, because the mean of its divisors is an integer number (25719024862960).

Almost surely, 2^{201020112201001} is an apocalyptic number.

It is an amenable number.

201020112201001 is a deficient number, since it is larger than the sum of its proper divisors (4732086702679).

201020112201001 is a wasteful number, since it uses less digits than its factorization.

201020112201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26734953255.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201020112201001 its reverse (100102211020102), we get a palindrome (301122323221103).

The spelling of 201020112201001 in words is "two hundred one trillion, twenty billion, one hundred twelve million, two hundred one thousand, one".