111012121050225 has 24 divisors (see below), whose sum is σ = 183541574200512. Its totient is φ = 59205969700800.

The previous prime is 111012121050223. The next prime is 111012121050227. The reversal of 111012121050225 is 522050121210111.

It is an interprime number because it is at equal distance from previous prime (111012121050223) and next prime (111012121050227).

It is not a de Polignac number, because 111012121050225 - 2¹ = 111012121050223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111012121050195 and 111012121050204.

It is not an unprimeable number, because it can be changed into a prime (111012121050223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2936395 + ... + 15187055.

It is an arithmetic number, because the mean of its divisors is an integer number (7647565591688).

Almost surely, 2^{111012121050225} is an apocalyptic number.

111012121050225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111012121050225 is a deficient number, since it is larger than the sum of its proper divisors (72529453150287).

111012121050225 is a wasteful number, since it uses less digits than its factorization.

111012121050225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12371497 (or 12371492 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

Adding to 111012121050225 its reverse (522050121210111), we get a palindrome (633062242260336).

The spelling of 111012121050225 in words is "one hundred eleven trillion, twelve billion, one hundred twenty-one million, fifty thousand, two hundred twenty-five".