111148001 has 2 divisors, whose sum is σ = 111148002. Its totient is φ = 111148000.

The previous prime is 111147961. The next prime is 111148013. The reversal of 111148001 is 100841111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106090000 + 5058001 = 10300^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 111148001 - 2²⁶ = 44039137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111148031) 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, 55574000 + 55574001.

It is an arithmetic number, because the mean of its divisors is an integer number (55574001).

Almost surely, 2^111148001 is an apocalyptic number.

It is an amenable number.

111148001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111148001 is an equidigital number, since it uses as much as digits as its factorization.

111148001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 111148001 is about 10542.6752297507. The cubic root of 111148001 is about 480.8030553085.

Adding to 111148001 its reverse (100841111), we get a palindrome (211989112).

The spelling of 111148001 in words is "one hundred eleven million, one hundred forty-eight thousand, one".