20210221002201 has 32 divisors (see below), whose sum is σ = 27358163030016. Its totient is φ = 13268325840000.

The previous prime is 20210221002193. The next prime is 20210221002227. The reversal of 20210221002201 is 10220012201202.

It is not a de Polignac number, because 20210221002201 - 2³ = 20210221002193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20210221002271) 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, 1312259101 + ... + 1312274501.

It is an arithmetic number, because the mean of its divisors is an integer number (854942594688).

Almost surely, 2^{20210221002201} is an apocalyptic number.

It is an amenable number.

20210221002201 is a deficient number, since it is larger than the sum of its proper divisors (7147942027815).

20210221002201 is a wasteful number, since it uses less digits than its factorization.

20210221002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22213.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20210221002201 its reverse (10220012201202), we get a palindrome (30430233203403).

The spelling of 20210221002201 in words is "twenty trillion, two hundred ten billion, two hundred twenty-one million, two thousand, two hundred one".