111201130057 has 2 divisors, whose sum is σ = 111201130058. Its totient is φ = 111201130056.

The previous prime is 111201130009. The next prime is 111201130063. The reversal of 111201130057 is 750031102111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110513694096 + 687435961 = 332436^2 + 26219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201130057 is a prime.

It is not a weakly prime, because it can be changed into another prime (111201130087) 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, 55600565028 + 55600565029.

It is an arithmetic number, because the mean of its divisors is an integer number (55600565029).

Almost surely, 2^111201130057 is an apocalyptic number.

It is an amenable number.

111201130057 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201130057 is an equidigital number, since it uses as much as digits as its factorization.

111201130057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 22.

Adding to 111201130057 its reverse (750031102111), we get a palindrome (861232232168).

The spelling of 111201130057 in words is "one hundred eleven billion, two hundred one million, one hundred thirty thousand, fifty-seven".