121303111320 has 96 divisors (see below), whose sum is σ = 414984351600. Its totient is φ = 30644994816.

The previous prime is 121303111271. The next prime is 121303111367. The reversal of 121303111320 is 23111303121.

121303111320 is a `hidden beast` number, since 1 + 2 + 1 + 30 + 311 + 1 + 320 = 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 = 121303111293 and 121303111302.

It is a congruent number.

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, 8860347 + ... + 8874026.

Almost surely, 2^121303111320 is an apocalyptic number.

121303111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121303111320 is an abundant number, since it is smaller than the sum of its proper divisors (293681240280).

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

121303111320 is a wasteful number, since it uses less digits than its factorization.

121303111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17734409 (or 17734402 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121303111320 its reverse (23111303121), we get a palindrome (144414414441).

The spelling of 121303111320 in words is "one hundred twenty-one billion, three hundred three million, one hundred eleven thousand, three hundred twenty".