2110211111209 has 12 divisors (see below), whose sum is σ = 2238873119056. Its totient is φ = 1988336458152.

The previous prime is 2110211111161. The next prime is 2110211111221. The reversal of 2110211111209 is 9021111120112.

It is a happy number.

It is not a de Polignac number, because 2110211111209 - 2³⁷ = 1972772157737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110211111209.

It is not an unprimeable number, because it can be changed into a prime (2110211111279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29733639 + ... + 29804524.

Almost surely, 2^{2110211111209} is an apocalyptic number.

It is an amenable number.

2110211111209 is a deficient number, since it is larger than the sum of its proper divisors (128662007847).

2110211111209 is an equidigital number, since it uses as much as digits as its factorization.

2110211111209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59538276 (or 59538253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 2110211111209 in words is "two trillion, one hundred ten billion, two hundred eleven million, one hundred eleven thousand, two hundred nine".