121330321010320 has 40 divisors (see below), whose sum is σ = 282096949677624. Its totient is φ = 48531448261632.

The previous prime is 121330321010317. The next prime is 121330321010357. The reversal of 121330321010320 is 23010123033121.

121330321010320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32547116280064 + 88783204730256 = 5705008^2 + 9422484^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 121330321010291 and 121330321010300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4863669 + ... + 16319188.

Almost surely, 2^{121330321010320} is an apocalyptic number.

121330321010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121330321010320 is an abundant number, since it is smaller than the sum of its proper divisors (160766628667304).

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

121330321010320 is a wasteful number, since it uses less digits than its factorization.

121330321010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21254467 (or 21254461 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121330321010320 its reverse (23010123033121), we get a palindrome (144340444043441).

The spelling of 121330321010320 in words is "one hundred twenty-one trillion, three hundred thirty billion, three hundred twenty-one million, ten thousand, three hundred twenty".