225110121 has 8 divisors (see below), whose sum is σ = 301054944. Its totient is φ = 149619360.

The previous prime is 225110111. The next prime is 225110129. The reversal of 225110121 is 121011522.

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

It is not a de Polignac number, because 225110121 - 2¹⁰ = 225109097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225110121.

It is not an unprimeable number, because it can be changed into a prime (225110129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112356 + ... + 114341.

It is an arithmetic number, because the mean of its divisors is an integer number (37631868).

Almost surely, 2^225110121 is an apocalyptic number.

It is an amenable number.

225110121 is a deficient number, since it is larger than the sum of its proper divisors (75944823).

225110121 is a wasteful number, since it uses less digits than its factorization.

225110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227031.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 225110121 is about 15003.6702509753. The cubic root of 225110121 is about 608.3194097687.

Adding to 225110121 its reverse (121011522), we get a palindrome (346121643).

The spelling of 225110121 in words is "two hundred twenty-five million, one hundred ten thousand, one hundred twenty-one".