2121030013300 has 144 divisors (see below), whose sum is σ = 5062349738880. Its totient is φ = 764951040000.

The previous prime is 2121030013213. The next prime is 2121030013327. The reversal of 2121030013300 is 33100301212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180984841 + ... + 180996559.

It is an arithmetic number, because the mean of its divisors is an integer number (35155206520).

Almost surely, 2^{2121030013300} is an apocalyptic number.

2121030013300 is a gapful number since it is divisible by the number (20) 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 2121030013300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2531174869440).

2121030013300 is an abundant number, since it is smaller than the sum of its proper divisors (2941319725580).

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

2121030013300 is a wasteful number, since it uses less digits than its factorization.

2121030013300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13082 (or 13075 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2121030013300 its reverse (33100301212), we get a palindrome (2154130314512).

The spelling of 2121030013300 in words is "two trillion, one hundred twenty-one billion, thirty million, thirteen thousand, three hundred".