222120211301 has 2 divisors, whose sum is σ = 222120211302. Its totient is φ = 222120211300.

The previous prime is 222120211297. The next prime is 222120211319. The reversal of 222120211301 is 103112021222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152120280676 + 69999930625 = 390026^2 + 264575^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120211301 - 2² = 222120211297 is a prime.

It is a super-2 number, since 2×222120211301² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222120211301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120231301) 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, 111060105650 + 111060105651.

It is an arithmetic number, because the mean of its divisors is an integer number (111060105651).

Almost surely, 2^222120211301 is an apocalyptic number.

It is an amenable number.

222120211301 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120211301 is an equidigital number, since it uses as much as digits as its factorization.

222120211301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222120211301 its reverse (103112021222), we get a palindrome (325232232523).

The spelling of 222120211301 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, three hundred one".