2201102201 has 4 divisors (see below), whose sum is σ = 2207337972. Its totient is φ = 2194866432.

The previous prime is 2201102173. The next prime is 2201102209. The reversal of 2201102201 is 1022011022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1022011022 = 2 ⋅511005511.

It can be written as a sum of positive squares in 2 ways, for example, as 747967801 + 1453134400 = 27349^2 + 38120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201102201 - 2²² = 2196907897 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 (2201102209) 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, 3117356 + ... + 3118061.

It is an arithmetic number, because the mean of its divisors is an integer number (551834493).

Almost surely, 2^2201102201 is an apocalyptic number.

It is an amenable number.

2201102201 is a deficient number, since it is larger than the sum of its proper divisors (6235771).

2201102201 is an equidigital number, since it uses as much as digits as its factorization.

2201102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235770.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2201102201 is about 46915.9056291147. The cubic root of 2201102201 is about 1300.8086095579.

Adding to 2201102201 its reverse (1022011022), we get a palindrome (3223113223).

The spelling of 2201102201 in words is "two billion, two hundred one million, one hundred two thousand, two hundred one".