20210000001001 has 8 divisors (see below), whose sum is σ = 21328372353600. Its totient is φ = 19097096462640.

The previous prime is 20210000000999. The next prime is 20210000001019. The reversal of 20210000001001 is 10010000001202.

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 20210000001001 - 2¹ = 20210000000999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210000001091) 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, 1367195965 + ... + 1367210746.

It is an arithmetic number, because the mean of its divisors is an integer number (2666046544200).

Almost surely, 2^{20210000001001} is an apocalyptic number.

It is an amenable number.

20210000001001 is a deficient number, since it is larger than the sum of its proper divisors (1118372352599).

20210000001001 is a wasteful number, since it uses less digits than its factorization.

20210000001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734407119.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20210000001001 its reverse (10010000001202), we get a palindrome (30220000002203).

The spelling of 20210000001001 in words is "twenty trillion, two hundred ten billion, one thousand, one".