20211201010001 has 8 divisors (see below), whose sum is σ = 21275065344000. Its totient is φ = 19147348367280.

The previous prime is 20211201009991. The next prime is 20211201010031. The reversal of 20211201010001 is 10001010211202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211201010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211201010031) 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, 743600 + ... + 6401198.

It is an arithmetic number, because the mean of its divisors is an integer number (2659383168000).

Almost surely, 2^{20211201010001} is an apocalyptic number.

It is an amenable number.

20211201010001 is a deficient number, since it is larger than the sum of its proper divisors (1063864333999).

20211201010001 is a wasteful number, since it uses less digits than its factorization.

20211201010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845639.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20211201010001 its reverse (10001010211202), we get a palindrome (30212211221203).

The spelling of 20211201010001 in words is "twenty trillion, two hundred eleven billion, two hundred one million, ten thousand, one".