111000235124161 has 2 divisors, whose sum is σ = 111000235124162. Its totient is φ = 111000235124160.

The previous prime is 111000235124021. The next prime is 111000235124173. The reversal of 111000235124161 is 161421532000111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108065588611600 + 2934646512561 = 10395460^2 + 1713081^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000235124161 - 2⁹ = 111000235123649 is a prime.

It is not a weakly prime, because it can be changed into another prime (111000235124561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500117562080 + 55500117562081.

It is an arithmetic number, because the mean of its divisors is an integer number (55500117562081).

Almost surely, 2^{111000235124161} is an apocalyptic number.

It is an amenable number.

111000235124161 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000235124161 is an equidigital number, since it uses as much as digits as its factorization.

111000235124161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 111000235124161 its reverse (161421532000111), we get a palindrome (272421767124272).

The spelling of 111000235124161 in words is "one hundred eleven trillion, two hundred thirty-five million, one hundred twenty-four thousand, one hundred sixty-one".