1221014423341 has 2 divisors, whose sum is σ = 1221014423342. Its totient is φ = 1221014423340.

The previous prime is 1221014423327. The next prime is 1221014423413. The reversal of 1221014423341 is 1433244101221.

It is a happy number.

Together with next prime (1221014423413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1159002964900 + 62011458441 = 1076570^2 + 249021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1221014423341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1221014433341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610507211670 + 610507211671.

It is an arithmetic number, because the mean of its divisors is an integer number (610507211671).

Almost surely, 2^{1221014423341} is an apocalyptic number.

It is an amenable number.

1221014423341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1221014423341 is an equidigital number, since it uses as much as digits as its factorization.

1221014423341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1221014423341 its reverse (1433244101221), we get a palindrome (2654258524562).

The spelling of 1221014423341 in words is "one trillion, two hundred twenty-one billion, fourteen million, four hundred twenty-three thousand, three hundred forty-one".