121103330220 has 72 divisors (see below), whose sum is σ = 369989627280. Its totient is φ = 32061882240.

The previous prime is 121103330207. The next prime is 121103330221. The reversal of 121103330220 is 22033301121.

121103330220 is a `hidden beast` number, since 1 + 2 + 110 + 3 + 330 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121103330193 and 121103330202.

It is not an unprimeable number, because it can be changed into a prime (121103330221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2395111 + ... + 2445150.

Almost surely, 2^121103330220 is an apocalyptic number.

121103330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121103330220 is an abundant number, since it is smaller than the sum of its proper divisors (248886297060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121103330220 is a wasteful number, since it uses less digits than its factorization.

121103330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840415 (or 4840410 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121103330220 its reverse (22033301121), we get a palindrome (143136631341).

The spelling of 121103330220 in words is "one hundred twenty-one billion, one hundred three million, three hundred thirty thousand, two hundred twenty".