121130320110 has 32 divisors (see below), whose sum is σ = 300737348640. Its totient is φ = 31187576448.

The previous prime is 121130320093. The next prime is 121130320123. The reversal of 121130320110 is 11023031121.

It is a happy number.

121130320110 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121130320110.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 69614257 + ... + 69615996.

It is an arithmetic number, because the mean of its divisors is an integer number (9398042145).

Almost surely, 2^121130320110 is an apocalyptic number.

121130320110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121130320110 is an abundant number, since it is smaller than the sum of its proper divisors (179607028530).

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

121130320110 is a wasteful number, since it uses less digits than its factorization.

121130320110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139230292.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121130320110 its reverse (11023031121), we get a palindrome (132153351231).

The spelling of 121130320110 in words is "one hundred twenty-one billion, one hundred thirty million, three hundred twenty thousand, one hundred ten".