2201100220201 has 2 divisors, whose sum is σ = 2201100220202. Its totient is φ = 2201100220200.

The previous prime is 2201100220199. The next prime is 2201100220229. The reversal of 2201100220201 is 1020220011022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1585030640400 + 616069579801 = 1258980^2 + 784901^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201100220201 - 2¹ = 2201100220199 is a prime.

Together with 2201100220199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2201100220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100550110100 + 1100550110101.

It is an arithmetic number, because the mean of its divisors is an integer number (1100550110101).

Almost surely, 2^{2201100220201} is an apocalyptic number.

It is an amenable number.

2201100220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201100220201 is an equidigital number, since it uses as much as digits as its factorization.

2201100220201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2201100220201 its reverse (1020220011022), we get a palindrome (3221320231223).

The spelling of 2201100220201 in words is "two trillion, two hundred one billion, one hundred million, two hundred twenty thousand, two hundred one".