1220211106327 has 2 divisors, whose sum is σ = 1220211106328. Its totient is φ = 1220211106326.

The previous prime is 1220211106273. The next prime is 1220211106337. The reversal of 1220211106327 is 7236011120221.

Together with previous prime (1220211106273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211106327 - 2³⁵ = 1185851367959 is a prime.

It is a super-2 number, since 2×1220211106327² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220211106295 and 1220211106304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220211106337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105553163 + 610105553164.

It is an arithmetic number, because the mean of its divisors is an integer number (610105553164).

Almost surely, 2^{1220211106327} is an apocalyptic number.

1220211106327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211106327 is an equidigital number, since it uses as much as digits as its factorization.

1220211106327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 1220211106327 its reverse (7236011120221), we get a palindrome (8456222226548).

The spelling of 1220211106327 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred six thousand, three hundred twenty-seven".