121340115330 has 64 divisors (see below), whose sum is σ = 335213061120. Its totient is φ = 27535345344.

The previous prime is 121340115289. The next prime is 121340115341. The reversal of 121340115330 is 33511043121.

It is a self number, because there is not a number n which added to its sum of digits gives 121340115330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2049264 + ... + 2107643.

It is an arithmetic number, because the mean of its divisors is an integer number (5237704080).

Almost surely, 2^121340115330 is an apocalyptic number.

121340115330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121340115330 is an abundant number, since it is smaller than the sum of its proper divisors (213872945790).

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

121340115330 is a wasteful number, since it uses less digits than its factorization.

121340115330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157063.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 121340115330 its reverse (33511043121), we get a palindrome (154851158451).

The spelling of 121340115330 in words is "one hundred twenty-one billion, three hundred forty million, one hundred fifteen thousand, three hundred thirty".