20201011022201 has 4 divisors (see below), whose sum is σ = 20201020444404. Its totient is φ = 20201001600000.

The previous prime is 20201011022197. The next prime is 20201011022209. The reversal of 20201011022201 is 10222011010202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17314753210000 + 2886257812201 = 4161100^2 + 1698899^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201011022201 - 2² = 20201011022197 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 (20201011022209) 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, 237701 + ... + 6360701.

It is an arithmetic number, because the mean of its divisors is an integer number (5050255111101).

Almost surely, 2^{20201011022201} is an apocalyptic number.

It is an amenable number.

20201011022201 is a deficient number, since it is larger than the sum of its proper divisors (9422203).

20201011022201 is an equidigital number, since it uses as much as digits as its factorization.

20201011022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422202.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201011022201 its reverse (10222011010202), we get a palindrome (30423022032403).

The spelling of 20201011022201 in words is "twenty trillion, two hundred one billion, eleven million, twenty-two thousand, two hundred one".