2120211 has 12 divisors (see below), whose sum is σ = 3145792. Its totient is φ = 1375056.

The previous prime is 2120207. The next prime is 2120213. The reversal of 2120211 is 1120212.

It is not a de Polignac number, because 2120211 - 2² = 2120207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120193 and 2120202.

It is not an unprimeable number, because it can be changed into a prime (2120213) 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, 2851 + ... + 3516.

2^2120211 is an apocalyptic number.

2120211 is a deficient number, since it is larger than the sum of its proper divisors (1025581).

2120211 is a wasteful number, since it uses less digits than its factorization.

2120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410 (or 6407 counting only the distinct ones).

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

The square root of 2120211 is about 1456.0944337508. The cubic root of 2120211 is about 128.4674275368.

Adding to 2120211 its reverse (1120212), we get a palindrome (3240423).

Subtracting from 2120211 its reverse (1120212), we obtain a palindrome (999999).

The spelling of 2120211 in words is "two million, one hundred twenty thousand, two hundred eleven".