222101221201 has 2 divisors, whose sum is σ = 222101221202. Its totient is φ = 222101221200.

The previous prime is 222101221163. The next prime is 222101221217. The reversal of 222101221201 is 102122101222.

It is a happy number.

It is an a-pointer prime, because the next prime (222101221217) can be obtained adding 222101221201 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213014556225 + 9086664976 = 461535^2 + 95324^2 .

It is a cyclic number.

It is not a de Polignac number, because 222101221201 - 2³³ = 213511286609 is a prime.

It is not a weakly prime, because it can be changed into another prime (222101221241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050610600 + 111050610601.

It is an arithmetic number, because the mean of its divisors is an integer number (111050610601).

Almost surely, 2^222101221201 is an apocalyptic number.

It is an amenable number.

222101221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222101221201 is an equidigital number, since it uses as much as digits as its factorization.

222101221201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101221201 its reverse (102122101222), we get a palindrome (324223322423).

The spelling of 222101221201 in words is "two hundred twenty-two billion, one hundred one million, two hundred twenty-one thousand, two hundred one".