2101000120200 has 144 divisors (see below), whose sum is σ = 7078843852080. Its totient is φ = 558441578880.

The previous prime is 2101000120189. The next prime is 2101000120253. The reversal of 2101000120200 is 20210001012.

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 35 ways as a sum of consecutive naturals, for example, 1348414 + ... + 2453613.

Almost surely, 2^{2101000120200} is an apocalyptic number.

2101000120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101000120200 is an abundant number, since it is smaller than the sum of its proper divisors (4977843731880).

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

2101000120200 is a wasteful number, since it uses less digits than its factorization.

2101000120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802356 (or 3802344 counting only the distinct ones).

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

Adding to 2101000120200 its reverse (20210001012), we get a palindrome (2121210121212).

The spelling of 2101000120200 in words is "two trillion, one hundred one billion, one hundred twenty thousand, two hundred".