2101304121120 has 384 divisors, whose sum is σ = 7388360179200. Its totient is φ = 557779562496.

The previous prime is 2101304121109. The next prime is 2101304121127. The reversal of 2101304121120 is 211214031012.

2101304121120 is a `hidden beast` number, since 2 + 1 + 0 + 130 + 412 + 1 + 120 = 666.

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 = 2101304121093 and 2101304121102.

It is not an unprimeable number, because it can be changed into a prime (2101304121127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1137684037 + ... + 1137685883.

It is an arithmetic number, because the mean of its divisors is an integer number (19240521300).

Almost surely, 2^{2101304121120} is an apocalyptic number.

2101304121120 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 2101304121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3694180089600).

2101304121120 is an abundant number, since it is smaller than the sum of its proper divisors (5287056058080).

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

2101304121120 is a wasteful number, since it uses less digits than its factorization.

2101304121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2923 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2101304121120 its reverse (211214031012), we get a palindrome (2312518152132).

The spelling of 2101304121120 in words is "two trillion, one hundred one billion, three hundred four million, one hundred twenty-one thousand, one hundred twenty".