225021042105 has 8 divisors (see below), whose sum is σ = 360033667392. Its totient is φ = 120011222448.

The previous prime is 225021042097. The next prime is 225021042143. The reversal of 225021042105 is 501240120522.

225021042105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225021042105 - 2³ = 225021042097 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7500701389 + ... + 7500701418.

It is an arithmetic number, because the mean of its divisors is an integer number (45004208424).

Almost surely, 2^225021042105 is an apocalyptic number.

It is an amenable number.

225021042105 is a deficient number, since it is larger than the sum of its proper divisors (135012625287).

225021042105 is a wasteful number, since it uses less digits than its factorization.

225021042105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001402815.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 225021042105 its reverse (501240120522), we get a palindrome (726261162627).

The spelling of 225021042105 in words is "two hundred twenty-five billion, twenty-one million, forty-two thousand, one hundred five".