1100001220027 has 2 divisors, whose sum is σ = 1100001220028. Its totient is φ = 1100001220026.

The previous prime is 1100001219997. The next prime is 1100001220061. The reversal of 1100001220027 is 7200221000011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100001220027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100001620027) 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, 550000610013 + 550000610014.

It is an arithmetic number, because the mean of its divisors is an integer number (550000610014).

Almost surely, 2^{1100001220027} is an apocalyptic number.

1100001220027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100001220027 is an equidigital number, since it uses as much as digits as its factorization.

1100001220027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 1100001220027 its reverse (7200221000011), we get a palindrome (8300222220038).

The spelling of 1100001220027 in words is "one trillion, one hundred billion, one million, two hundred twenty thousand, twenty-seven".