1220112100027 has 2 divisors, whose sum is σ = 1220112100028. Its totient is φ = 1220112100026.

The previous prime is 1220112099977. The next prime is 1220112100087. The reversal of 1220112100027 is 7200012110221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220112100027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220112099977 and 1220112100013.

It is not a weakly prime, because it can be changed into another prime (1220112100087) 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, 610056050013 + 610056050014.

It is an arithmetic number, because the mean of its divisors is an integer number (610056050014).

Almost surely, 2^{1220112100027} is an apocalyptic number.

1220112100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112100027 is an equidigital number, since it uses as much as digits as its factorization.

1220112100027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1220112100027 its reverse (7200012110221), we get a palindrome (8420124210248).

The spelling of 1220112100027 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred thousand, twenty-seven".