222221211010201 has 8 divisors (see below), whose sum is σ = 239606642596104. Its totient is φ = 204877421178240.

The previous prime is 222221211010199. The next prime is 222221211010247. The reversal of 222221211010201 is 102010112122222.

It can be written as a sum of positive squares in 4 ways, for example, as 18127157760000 + 204094053250201 = 4257600^2 + 14286149^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 222221211010201 - 2¹ = 222221211010199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221211010301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10410427396 + ... + 10410448741.

It is an arithmetic number, because the mean of its divisors is an integer number (29950830324513).

Almost surely, 2^{222221211010201} is an apocalyptic number.

It is an amenable number.

222221211010201 is a deficient number, since it is larger than the sum of its proper divisors (17385431585903).

222221211010201 is a wasteful number, since it uses less digits than its factorization.

222221211010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20820876971.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222221211010201 its reverse (102010112122222), we get a palindrome (324231323132423).

The spelling of 222221211010201 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, ten thousand, two hundred one".