2111212100200 has 96 divisors (see below), whose sum is σ = 5680802476800. Its totient is φ = 714681527040.

The previous prime is 2111212100171. The next prime is 2111212100209. The reversal of 2111212100200 is 20012121112.

It is not an unprimeable number, because it can be changed into a prime (2111212100209) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9433759 + ... + 9654958.

It is an arithmetic number, because the mean of its divisors is an integer number (59175025800).

Almost surely, 2^{2111212100200} is an apocalyptic number.

2111212100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111212100200 is an abundant number, since it is smaller than the sum of its proper divisors (3569590376600).

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

2111212100200 is a wasteful number, since it uses less digits than its factorization.

2111212100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19088819 (or 19088810 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111212100200 its reverse (20012121112), we get a palindrome (2131224221312).

The spelling of 2111212100200 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one hundred thousand, two hundred".