1220410421471 has 2 divisors, whose sum is σ = 1220410421472. Its totient is φ = 1220410421470.

The previous prime is 1220410421393. The next prime is 1220410421513. The reversal of 1220410421471 is 1741240140221.

It is a strong prime.

It is an emirp because it is prime and its reverse (1741240140221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220410421471 - 2³⁰ = 1219336679647 is a prime.

It is a super-3 number, since 3×1220410421471³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220410423471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610205210735 + 610205210736.

It is an arithmetic number, because the mean of its divisors is an integer number (610205210736).

Almost surely, 2^{1220410421471} is an apocalyptic number.

1220410421471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220410421471 is an equidigital number, since it uses as much as digits as its factorization.

1220410421471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 1220410421471 its reverse (1741240140221), we get a palindrome (2961650561692).

The spelling of 1220410421471 in words is "one trillion, two hundred twenty billion, four hundred ten million, four hundred twenty-one thousand, four hundred seventy-one".