2020112221201 has 4 divisors (see below), whose sum is σ = 2040113332404. Its totient is φ = 2000111110000.

The previous prime is 2020112221177. The next prime is 2020112221241. The reversal of 2020112221201 is 1021222110202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1623646802176 + 396465419025 = 1274224^2 + 629655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020112221201 - 2⁷ = 2020112221073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020112221241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000555450 + ... + 10000555651.

It is an arithmetic number, because the mean of its divisors is an integer number (510028333101).

Almost surely, 2^{2020112221201} is an apocalyptic number.

It is an amenable number.

2020112221201 is a deficient number, since it is larger than the sum of its proper divisors (20001111203).

2020112221201 is a wasteful number, since it uses less digits than its factorization.

2020112221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001111202.

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

Adding to 2020112221201 its reverse (1021222110202), we get a palindrome (3041334331403).

The spelling of 2020112221201 in words is "two trillion, twenty billion, one hundred twelve million, two hundred twenty-one thousand, two hundred one".