1220116411 has 2 divisors, whose sum is σ = 1220116412. Its totient is φ = 1220116410.

The previous prime is 1220116393. The next prime is 1220116439. The reversal of 1220116411 is 1146110221.

It is a weak prime.

It is an emirp because it is prime and its reverse (1146110221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220116411 - 2¹⁵ = 1220083643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220116111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610058205 + 610058206.

It is an arithmetic number, because the mean of its divisors is an integer number (610058206).

Almost surely, 2^1220116411 is an apocalyptic number.

1220116411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220116411 is an equidigital number, since it uses as much as digits as its factorization.

1220116411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1220116411 is about 34930.1647720133. The cubic root of 1220116411 is about 1068.5637150282.

Adding to 1220116411 its reverse (1146110221), we get a palindrome (2366226632).

The spelling of 1220116411 in words is "one billion, two hundred twenty million, one hundred sixteen thousand, four hundred eleven".