1111221101027 has 2 divisors, whose sum is σ = 1111221101028. Its totient is φ = 1111221101026.

The previous prime is 1111221101017. The next prime is 1111221101093. The reversal of 1111221101027 is 7201011221111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7201011221111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111221101027 - 2⁶ = 1111221100963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111221101017) 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, 555610550513 + 555610550514.

It is an arithmetic number, because the mean of its divisors is an integer number (555610550514).

Almost surely, 2^{1111221101027} is an apocalyptic number.

1111221101027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111221101027 is an equidigital number, since it uses as much as digits as its factorization.

1111221101027 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 20.

Adding to 1111221101027 its reverse (7201011221111), we get a palindrome (8312232322138).

The spelling of 1111221101027 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred one thousand, twenty-seven".