2101001210000 has 800 divisors, whose sum is σ = 6526510848000. Its totient is φ = 636088320000.

The previous prime is 2101001209981. The next prime is 2101001210029. The reversal of 2101001210000 is 121001012.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2101001210000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4679289776 + ... + 4679290224.

It is an arithmetic number, because the mean of its divisors is an integer number (8158138560).

Almost surely, 2^{2101001210000} is an apocalyptic number.

2101001210000 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 2101001210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3263255424000).

2101001210000 is an abundant number, since it is smaller than the sum of its proper divisors (4425509638000).

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

2101001210000 is a wasteful number, since it uses less digits than its factorization.

2101001210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2101001210000 its reverse (121001012), we get a palindrome (2101122211012).

The spelling of 2101001210000 in words is "two trillion, one hundred one billion, one million, two hundred ten thousand".