20210111100200 has 48 divisors (see below), whose sum is σ = 53701152355680. Its totient is φ = 6929180948160.

The previous prime is 20210111100181. The next prime is 20210111100217. The reversal of 20210111100200 is 200111101202.

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 11 ways as a sum of consecutive naturals, for example, 7217895422 + ... + 7217898221.

It is an arithmetic number, because the mean of its divisors is an integer number (1118774007410).

Almost surely, 2^{20210111100200} is an apocalyptic number.

20210111100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210111100200 is an abundant number, since it is smaller than the sum of its proper divisors (33491041255480).

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

20210111100200 is a wasteful number, since it uses less digits than its factorization.

20210111100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435793666 (or 14435793657 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20210111100200 its reverse (200111101202), we get a palindrome (20410222201402).

The spelling of 20210111100200 in words is "twenty trillion, two hundred ten billion, one hundred eleven million, one hundred thousand, two hundred".