121103228 has 12 divisors (see below), whose sum is σ = 212021040. Its totient is φ = 60525792.

The previous prime is 121103221. The next prime is 121103243. The reversal of 121103228 is 822301121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103221) 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, 7400 + ... + 17232.

It is an arithmetic number, because the mean of its divisors is an integer number (17668420).

Almost surely, 2^121103228 is an apocalyptic number.

It is an amenable number.

121103228 is a deficient number, since it is larger than the sum of its proper divisors (90917812).

121103228 is a wasteful number, since it uses less digits than its factorization.

121103228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12916 (or 12914 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 121103228 is about 11004.6911814916. The cubic root of 121103228 is about 494.7493585367.

Adding to 121103228 its reverse (822301121), we get a palindrome (943404349).

The spelling of 121103228 in words is "one hundred twenty-one million, one hundred three thousand, two hundred twenty-eight".