20201011222201 has 16 divisors (see below), whose sum is σ = 21105189219600. Its totient is φ = 19310685184000.

The previous prime is 20201011222111. The next prime is 20201011222213. The reversal of 20201011222201 is 10222211010202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 909801207225 + 19291210014976 = 953835^2 + 4392176^2 .

It is not a de Polignac number, because 20201011222201 - 2¹³ = 20201011214009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201011222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108071661 + ... + 108258421.

It is an arithmetic number, because the mean of its divisors is an integer number (1319074326225).

Almost surely, 2^{20201011222201} is an apocalyptic number.

It is an amenable number.

20201011222201 is a deficient number, since it is larger than the sum of its proper divisors (904177997399).

20201011222201 is a wasteful number, since it uses less digits than its factorization.

20201011222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223820.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20201011222201 its reverse (10222211010202), we get a palindrome (30423222232403).

The spelling of 20201011222201 in words is "twenty trillion, two hundred one billion, eleven million, two hundred twenty-two thousand, two hundred one".