121023333220 has 48 divisors (see below), whose sum is σ = 254687223168. Its totient is φ = 48306931200.

The previous prime is 121023333161. The next prime is 121023333227. The reversal of 121023333220 is 22333320121.

It is a junction number, because it is equal to n+sod(n) for n = 121023333191 and 121023333200.

It is not an unprimeable number, because it can be changed into a prime (121023333227) 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 15 ways as a sum of consecutive naturals, for example, 24441745 + ... + 24446695.

It is an arithmetic number, because the mean of its divisors is an integer number (5305983816).

Almost surely, 2^121023333220 is an apocalyptic number.

121023333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121023333220 is an abundant number, since it is smaller than the sum of its proper divisors (133663889948).

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

121023333220 is a wasteful number, since it uses less digits than its factorization.

121023333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300 (or 7298 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 121023333220 its reverse (22333320121), we get a palindrome (143356653341).

The spelling of 121023333220 in words is "one hundred twenty-one billion, twenty-three million, three hundred thirty-three thousand, two hundred twenty".