222220201201 has 2 divisors, whose sum is σ = 222220201202. Its totient is φ = 222220201200.

The previous prime is 222220201193. The next prime is 222220201213. The reversal of 222220201201 is 102102022222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209053786176 + 13166415025 = 457224^2 + 114745^2 .

It is a cyclic number.

It is not a de Polignac number, because 222220201201 - 2³ = 222220201193 is a prime.

It is not a weakly prime, because it can be changed into another prime (222220201271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110100600 + 111110100601.

It is an arithmetic number, because the mean of its divisors is an integer number (111110100601).

Almost surely, 2^222220201201 is an apocalyptic number.

It is an amenable number.

222220201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222220201201 is an equidigital number, since it uses as much as digits as its factorization.

222220201201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222220201201 its reverse (102102022222), we get a palindrome (324322223423).

The spelling of 222220201201 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred one thousand, two hundred one".