222222022211201 has 2 divisors, whose sum is σ = 222222022211202. Its totient is φ = 222222022211200.

The previous prime is 222222022211107. The next prime is 222222022211213. The reversal of 222222022211201 is 102112220222222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165680660890000 + 56541361321201 = 12871700^2 + 7519399^2 .

It is a cyclic number.

It is not a de Polignac number, because 222222022211201 - 2²² = 222222018016897 is a prime.

It is not a weakly prime, because it can be changed into another prime (222222022211281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111011105600 + 111111011105601.

It is an arithmetic number, because the mean of its divisors is an integer number (111111011105601).

Almost surely, 2^{222222022211201} is an apocalyptic number.

It is an amenable number.

222222022211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222022211201 is an equidigital number, since it uses as much as digits as its factorization.

222222022211201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222222022211201 its reverse (102112220222222), we get a palindrome (324334242433423).

The spelling of 222222022211201 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-two million, two hundred eleven thousand, two hundred one".