121130320122 has 48 divisors (see below), whose sum is σ = 299965166592. Its totient is φ = 34605960480.

The previous prime is 121130320093. The next prime is 121130320123. The reversal of 121130320122 is 221023031121.

121130320122 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 121130320095 and 121130320104.

It is not an unprimeable number, because it can be changed into a prime (121130320123) by changing a digit.

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, 2034663 + ... + 2093349.

It is an arithmetic number, because the mean of its divisors is an integer number (6249274304).

Almost surely, 2^121130320122 is an apocalyptic number.

121130320122 is an abundant number, since it is smaller than the sum of its proper divisors (178834846470).

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

121130320122 is a wasteful number, since it uses less digits than its factorization.

121130320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75083 (or 75080 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121130320122 its reverse (221023031121), we get a palindrome (342153351243).

The spelling of 121130320122 in words is "one hundred twenty-one billion, one hundred thirty million, three hundred twenty thousand, one hundred twenty-two".