225104111 has 2 divisors, whose sum is σ = 225104112. Its totient is φ = 225104110.

The previous prime is 225104107. The next prime is 225104137. The reversal of 225104111 is 111401522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225104111 - 2² = 225104107 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225104111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225106111) 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, 112552055 + 112552056.

It is an arithmetic number, because the mean of its divisors is an integer number (112552056).

Almost surely, 2^225104111 is an apocalyptic number.

225104111 is a deficient number, since it is larger than the sum of its proper divisors (1).

225104111 is an equidigital number, since it uses as much as digits as its factorization.

225104111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 225104111 is about 15003.4699653114. The cubic root of 225104111 is about 608.3139960743.

Adding to 225104111 its reverse (111401522), we get a palindrome (336505633).

The spelling of 225104111 in words is "two hundred twenty-five million, one hundred four thousand, one hundred eleven".