1111222220027 has 2 divisors, whose sum is σ = 1111222220028. Its totient is φ = 1111222220026.

The previous prime is 1111222220011. The next prime is 1111222220033. The reversal of 1111222220027 is 7200222221111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111222220027 - 2⁴ = 1111222220011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111222219984 and 1111222220011.

It is not a weakly prime, because it can be changed into another prime (1111222220047) 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, 555611110013 + 555611110014.

It is an arithmetic number, because the mean of its divisors is an integer number (555611110014).

Almost surely, 2^{1111222220027} is an apocalyptic number.

1111222220027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111222220027 is an equidigital number, since it uses as much as digits as its factorization.

1111222220027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1111222220027 its reverse (7200222221111), we get a palindrome (8311444441138).

The spelling of 1111222220027 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, twenty-seven".