1220441204371 has 2 divisors, whose sum is σ = 1220441204372. Its totient is φ = 1220441204370.

The previous prime is 1220441204329. The next prime is 1220441204387. The reversal of 1220441204371 is 1734021440221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220441204371 - 2³³ = 1211851269779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220441204471) 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, 610220602185 + 610220602186.

It is an arithmetic number, because the mean of its divisors is an integer number (610220602186).

Almost surely, 2^{1220441204371} is an apocalyptic number.

1220441204371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220441204371 is an equidigital number, since it uses as much as digits as its factorization.

1220441204371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 1220441204371 its reverse (1734021440221), we get a palindrome (2954462644592).

The spelling of 1220441204371 in words is "one trillion, two hundred twenty billion, four hundred forty-one million, two hundred four thousand, three hundred seventy-one".