1220110220113 has 2 divisors, whose sum is σ = 1220110220114. Its totient is φ = 1220110220112.

The previous prime is 1220110220081. The next prime is 1220110220149. The reversal of 1220110220113 is 3110220110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 945390625344 + 274719594769 = 972312^2 + 524137^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220110220113 - 2⁵ = 1220110220081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220110280113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610055110056 + 610055110057.

It is an arithmetic number, because the mean of its divisors is an integer number (610055110057).

Almost surely, 2^{1220110220113} is an apocalyptic number.

It is an amenable number.

1220110220113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220110220113 is an equidigital number, since it uses as much as digits as its factorization.

1220110220113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1220110220113 its reverse (3110220110221), we get a palindrome (4330330330334).

The spelling of 1220110220113 in words is "one trillion, two hundred twenty billion, one hundred ten million, two hundred twenty thousand, one hundred thirteen".