2100110020200 has 480 divisors, whose sum is σ = 7432921584000. Its totient is φ = 549460454400.

The previous prime is 2100110020123. The next prime is 2100110020301. The reversal of 2100110020200 is 20200110012.

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

It is an unprimeable number.

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 119 ways as a sum of consecutive naturals, for example, 188870241 + ... + 188881359.

It is an arithmetic number, because the mean of its divisors is an integer number (15485253300).

Almost surely, 2^{2100110020200} is an apocalyptic number.

2100110020200 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 2100110020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3716460792000).

2100110020200 is an abundant number, since it is smaller than the sum of its proper divisors (5332811563800).

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

2100110020200 is a wasteful number, since it uses less digits than its factorization.

2100110020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11367 (or 11349 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2100110020200 its reverse (20200110012), we get a palindrome (2120310130212).

The spelling of 2100110020200 in words is "two trillion, one hundred billion, one hundred ten million, twenty thousand, two hundred".