227105121 has 4 divisors (see below), whose sum is σ = 302806832. Its totient is φ = 151403412.

The previous prime is 227105093. The next prime is 227105161. The reversal of 227105121 is 121501722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 227105121 - 2⁷ = 227104993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227105161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37850851 + ... + 37850856.

It is an arithmetic number, because the mean of its divisors is an integer number (75701708).

Almost surely, 2^227105121 is an apocalyptic number.

It is an amenable number.

227105121 is a deficient number, since it is larger than the sum of its proper divisors (75701711).

227105121 is an equidigital number, since it uses as much as digits as its factorization.

227105121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75701710.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 227105121 is about 15070.0073324468. The cubic root of 227105121 is about 610.1111693831. Note that the first 4 decimals are identical.

Adding to 227105121 its reverse (121501722), we get a palindrome (348606843).

The spelling of 227105121 in words is "two hundred twenty-seven million, one hundred five thousand, one hundred twenty-one".