20210222210201 has 16 divisors (see below), whose sum is σ = 21164632819200. Its totient is φ = 19262239550400.

The previous prime is 20210222210179. The next prime is 20210222210203. The reversal of 20210222210201 is 10201222201202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20210222210201 - 2⁶ = 20210222210137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210222210201.

It is not an unprimeable number, because it can be changed into a prime (20210222210203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6111275 + ... + 8818623.

It is an arithmetic number, because the mean of its divisors is an integer number (1322789551200).

Almost surely, 2^{20210222210201} is an apocalyptic number.

It is an amenable number.

20210222210201 is a deficient number, since it is larger than the sum of its proper divisors (954410608999).

20210222210201 is a wasteful number, since it uses less digits than its factorization.

20210222210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708536.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20210222210201 its reverse (10201222201202), we get a palindrome (30411444411403).

The spelling of 20210222210201 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, two hundred ten thousand, two hundred one".