121021302330 has 48 divisors (see below), whose sum is σ = 314855030880. Its totient is φ = 32251870944.

The previous prime is 121021302277. The next prime is 121021302371. The reversal of 121021302330 is 33203120121.

121021302330 is a `hidden beast` number, since 1 + 2 + 10 + 21 + 302 + 330 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283692 + ... + 567911.

It is an arithmetic number, because the mean of its divisors is an integer number (6559479810).

Almost surely, 2^121021302330 is an apocalyptic number.

121021302330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021302330 is an abundant number, since it is smaller than the sum of its proper divisors (193833728550).

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

121021302330 is a wasteful number, since it uses less digits than its factorization.

121021302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853195 (or 853192 counting only the distinct ones).

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

Adding to 121021302330 its reverse (33203120121), we get a palindrome (154224422451).

The spelling of 121021302330 in words is "one hundred twenty-one billion, twenty-one million, three hundred two thousand, three hundred thirty".