121003303320 has 96 divisors (see below), whose sum is σ = 393387040800. Its totient is φ = 32257184256.

The previous prime is 121003303319. The next prime is 121003303331. The reversal of 121003303320 is 23303300121.

121003303320 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 0 + 330 + 332 + 0 = 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 = 121003303293 and 121003303302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1102869 + ... + 1207611.

It is an arithmetic number, because the mean of its divisors is an integer number (4097781675).

Almost surely, 2^121003303320 is an apocalyptic number.

121003303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121003303320 is an abundant number, since it is smaller than the sum of its proper divisors (272383737480).

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

121003303320 is a wasteful number, since it uses less digits than its factorization.

121003303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107969 (or 107962 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 121003303320 its reverse (23303300121), we get a palindrome (144306603441).

The spelling of 121003303320 in words is "one hundred twenty-one billion, three million, three hundred three thousand, three hundred twenty".