2111205 has 16 divisors (see below), whose sum is σ = 3415104. Its totient is φ = 1113600.

The previous prime is 2111189. The next prime is 2111231. The reversal of 2111205 is 5021112.

It is not a de Polignac number, because 2111205 - 2⁴ = 2111189 is a prime.

2111205 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

2^2111205 is an apocalyptic number.

It is an amenable number.

2111205 is a deficient number, since it is larger than the sum of its proper divisors (1303899).

2111205 is a wasteful number, since it uses less digits than its factorization.

2111205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2111205 is about 1452.9986235369. The cubic root of 2111205 is about 128.2852727591.

Adding to 2111205 its reverse (5021112), we get a palindrome (7132317).

The spelling of 2111205 in words is "two million, one hundred eleven thousand, two hundred five".