20210201021001 has 32 divisors (see below), whose sum is σ = 29026421248000. Its totient is φ = 12466817552448.

The previous prime is 20210201020973. The next prime is 20210201021047. The reversal of 20210201021001 is 10012010201202.

It is not a de Polignac number, because 20210201021001 - 2¹³ = 20210201012809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20210201022001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47112840 + ... + 47539878.

It is an arithmetic number, because the mean of its divisors is an integer number (907075664000).

Almost surely, 2^{20210201021001} is an apocalyptic number.

It is an amenable number.

20210201021001 is a deficient number, since it is larger than the sum of its proper divisors (8816220226999).

20210201021001 is a wasteful number, since it uses less digits than its factorization.

20210201021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446413.

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

Adding to 20210201021001 its reverse (10012010201202), we get a palindrome (30222211222203).

The spelling of 20210201021001 in words is "twenty trillion, two hundred ten billion, two hundred one million, twenty-one thousand, one".