121120300120 has 64 divisors (see below), whose sum is σ = 276447608640. Its totient is φ = 47750438400.

The previous prime is 121120300111. The next prime is 121120300121. The reversal of 121120300120 is 21003021121.

121120300120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 121120300120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120300121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13664490 + ... + 13673350.

It is an arithmetic number, because the mean of its divisors is an integer number (4319493885).

Almost surely, 2^121120300120 is an apocalyptic number.

121120300120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121120300120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138223804320).

121120300120 is an abundant number, since it is smaller than the sum of its proper divisors (155327308520).

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

121120300120 is a wasteful number, since it uses less digits than its factorization.

121120300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13756 (or 13752 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121120300120 its reverse (21003021121), we get a palindrome (142123321241).

The spelling of 121120300120 in words is "one hundred twenty-one billion, one hundred twenty million, three hundred thousand, one hundred twenty".