222210002102201 has 16 divisors (see below), whose sum is σ = 225702846433680. Its totient is φ = 218729607275520.

The previous prime is 222210002102147. The next prime is 222210002102219. The reversal of 222210002102201 is 102201200012222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1503323662201 + 220706678440000 = 1226101^2 + 14856200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222210002102201 is a prime.

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 222210002102201.

It is not an unprimeable number, because it can be changed into a prime (222210002102281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99698291 + ... + 101902743.

It is an arithmetic number, because the mean of its divisors is an integer number (14106427902105).

Almost surely, 2^{222210002102201} is an apocalyptic number.

It is an amenable number.

222210002102201 is a deficient number, since it is larger than the sum of its proper divisors (3492844331479).

222210002102201 is a wasteful number, since it uses less digits than its factorization.

222210002102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207276.

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

Adding to 222210002102201 its reverse (102201200012222), we get a palindrome (324411202114423).

The spelling of 222210002102201 in words is "two hundred twenty-two trillion, two hundred ten billion, two million, one hundred two thousand, two hundred one".