2201210222201 has 8 divisors (see below), whose sum is σ = 2210115774600. Its totient is φ = 2192310023040.

The previous prime is 2201210222149. The next prime is 2201210222227. The reversal of 2201210222201 is 1022220121022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1136144941801 + 1065065280400 = 1065901^2 + 1032020^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201210222201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201210222201.

It is not an unprimeable number, because it can be changed into a prime (2201210222231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513236 + ... + 2160053.

It is an arithmetic number, because the mean of its divisors is an integer number (276264471825).

Almost surely, 2^{2201210222201} is an apocalyptic number.

It is an amenable number.

2201210222201 is a deficient number, since it is larger than the sum of its proper divisors (8905552399).

2201210222201 is a wasteful number, since it uses less digits than its factorization.

2201210222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676619.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2201210222201 its reverse (1022220121022), we get a palindrome (3223430343223).

The spelling of 2201210222201 in words is "two trillion, two hundred one billion, two hundred ten million, two hundred twenty-two thousand, two hundred one".