12227101 has 4 divisors (see below), whose sum is σ = 12434400. Its totient is φ = 12019804.

The previous prime is 12227081. The next prime is 12227167. The reversal of 12227101 is 10172221.

12227101 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 12227101 - 2⁵ = 12227069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103561 + ... + 103678.

It is an arithmetic number, because the mean of its divisors is an integer number (3108600).

Almost surely, 2^12227101 is an apocalyptic number.

It is an amenable number.

12227101 is a deficient number, since it is larger than the sum of its proper divisors (207299).

12227101 is an equidigital number, since it uses as much as digits as its factorization.

12227101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207298.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 12227101 is about 3496.7271840966. The cubic root of 12227101 is about 230.3780863952.

Adding to 12227101 its reverse (10172221), we get a palindrome (22399322).

The spelling of 12227101 in words is "twelve million, two hundred twenty-seven thousand, one hundred one".