121021320332332 has 12 divisors (see below), whose sum is σ = 242042640664720. Its totient is φ = 51866280142416.

The previous prime is 121021320332299. The next prime is 121021320332383. The reversal of 121021320332332 is 233233023120121.

It is a happy number.

121021320332332 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4322190011869 = 121021320332332 / (1 + 2 + 1 + 0 + 2 + 1 + 3 + 2 + 0 + 3 + 3 + 2 + 3 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 121021320332332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2161095005907 + ... + 2161095005962.

Almost surely, 2^{121021320332332} is an apocalyptic number.

It is an amenable number.

121021320332332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121021320332332 is a wasteful number, since it uses less digits than its factorization.

121021320332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322190011880 (or 4322190011878 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 121021320332332 its reverse (233233023120121), we get a palindrome (354254343452453).

The spelling of 121021320332332 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred twenty million, three hundred thirty-two thousand, three hundred thirty-two".