121120121300 has 72 divisors (see below), whose sum is σ = 269344219200. Its totient is φ = 47248300800.

The previous prime is 121120121263. The next prime is 121120121329. The reversal of 121120121300 is 3121021121.

121120121300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16802297 + ... + 16809503.

Almost surely, 2^121120121300 is an apocalyptic number.

121120121300 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 121120121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134672109600).

121120121300 is an abundant number, since it is smaller than the sum of its proper divisors (148224097900).

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

121120121300 is a wasteful number, since it uses less digits than its factorization.

121120121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361 (or 11354 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121120121300 its reverse (3121021121), we get a palindrome (124241142421).

The spelling of 121120121300 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred twenty-one thousand, three hundred".