222122010001 has 2 divisors, whose sum is σ = 222122010002. Its totient is φ = 222122010000.

The previous prime is 222122009953. The next prime is 222122010059. The reversal of 222122010001 is 100010221222.

It is a happy number.

222122010001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193776920401 + 28345089600 = 440201^2 + 168360^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122010001 - 2²⁹ = 221585139089 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061005000 + 111061005001.

It is an arithmetic number, because the mean of its divisors is an integer number (111061005001).

Almost surely, 2^222122010001 is an apocalyptic number.

It is an amenable number.

222122010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122010001 is an equidigital number, since it uses as much as digits as its factorization.

222122010001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222122010001 its reverse (100010221222), we get a palindrome (322132231223).

The spelling of 222122010001 in words is "two hundred twenty-two billion, one hundred twenty-two million, ten thousand, one".