111201001027 has 2 divisors, whose sum is σ = 111201001028. Its totient is φ = 111201001026.

The previous prime is 111201001003. The next prime is 111201001061. The reversal of 111201001027 is 720100102111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201001027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111201001027.

It is not a weakly prime, because it can be changed into another prime (111201001727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600500513 + 55600500514.

It is an arithmetic number, because the mean of its divisors is an integer number (55600500514).

Almost surely, 2^111201001027 is an apocalyptic number.

111201001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201001027 is an equidigital number, since it uses as much as digits as its factorization.

111201001027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 111201001027 its reverse (720100102111), we get a palindrome (831301103138).

The spelling of 111201001027 in words is "one hundred eleven billion, two hundred one million, one thousand, twenty-seven".