2101300020000 has 360 divisors, whose sum is σ = 7649225323740. Its totient is φ = 546677760000.

The previous prime is 2101300019983. The next prime is 2101300020067. The reversal of 2101300020000 is 200031012.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 1115465496336 + 985834523664 = 1056156^2 + 992892^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7237636 + ... + 7522364.

Almost surely, 2^{2101300020000} is an apocalyptic number.

2101300020000 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 2101300020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3824612661870).

2101300020000 is an abundant number, since it is smaller than the sum of its proper divisors (5547925303740).

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

2101300020000 is a wasteful number, since it uses less digits than its factorization.

2101300020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284806 (or 284780 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 2101300020000 its reverse (200031012), we get a palindrome (2101500051012).

The spelling of 2101300020000 in words is "two trillion, one hundred one billion, three hundred million, twenty thousand".