1112127101 has 2 divisors, whose sum is σ = 1112127102. Its totient is φ = 1112127100.

The previous prime is 1112127067. The next prime is 1112127217. The reversal of 1112127101 is 1017212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069224601 + 42902500 = 32699^2 + 6550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112127101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112127101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112027101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556063550 + 556063551.

It is an arithmetic number, because the mean of its divisors is an integer number (556063551).

Almost surely, 2^1112127101 is an apocalyptic number.

It is an amenable number.

1112127101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112127101 is an equidigital number, since it uses as much as digits as its factorization.

1112127101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 17.

The square root of 1112127101 is about 33348.5696994639. The cubic root of 1112127101 is about 1036.0597641591.

Adding to 1112127101 its reverse (1017212111), we get a palindrome (2129339212).

It can be divided in two parts, 111 and 2127101, that added together give a palindrome (2127212).

The spelling of 1112127101 in words is "one billion, one hundred twelve million, one hundred twenty-seven thousand, one hundred one".