121311320133330 has 80 divisors (see below), whose sum is σ = 326195998533504. Its totient is φ = 32349354354720.

The previous prime is 121311320133293. The next prime is 121311320133349. The reversal of 121311320133330 is 33331023113121.

121311320133330 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 1 + 1 + 320 + 1 + 3 + 3 + 330 = 666.

121311320133330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121311320133294 and 121311320133303.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 84264129 + ... + 85691691.

Almost surely, 2^{121311320133330} is an apocalyptic number.

121311320133330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311320133330 is an abundant number, since it is smaller than the sum of its proper divisors (204884678400174).

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

121311320133330 is a wasteful number, since it uses less digits than its factorization.

121311320133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532493 (or 1532484 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 121311320133330 its reverse (33331023113121), we get a palindrome (154642343246451).

The spelling of 121311320133330 in words is "one hundred twenty-one trillion, three hundred eleven billion, three hundred twenty million, one hundred thirty-three thousand, three hundred thirty".