1222120112201 has 2 divisors, whose sum is σ = 1222120112202. Its totient is φ = 1222120112200.

The previous prime is 1222120112159. The next prime is 1222120112233. The reversal of 1222120112201 is 1022110212221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1190444655625 + 31675456576 = 1091075^2 + 177976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222120112201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222120112201.

It is not a weakly prime, because it can be changed into another prime (1222120115201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611060056100 + 611060056101.

It is an arithmetic number, because the mean of its divisors is an integer number (611060056101).

Almost surely, 2^{1222120112201} is an apocalyptic number.

It is an amenable number.

1222120112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222120112201 is an equidigital number, since it uses as much as digits as its factorization.

1222120112201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222120112201 its reverse (1022110212221), we get a palindrome (2244230324422).

The spelling of 1222120112201 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, two hundred one".