2106211 has 8 divisors (see below), whose sum is σ = 2205504. Its totient is φ = 2009280.

The previous prime is 2106199. The next prime is 2106217. The reversal of 2106211 is 1126012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2106211 - 2⁹ = 2105699 is a prime.

It is a super-2 number, since 2×2106211² = 8872249553042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2106191 and 2106200.

It is not an unprimeable number, because it can be changed into a prime (2106217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381 + ... + 2473.

It is an arithmetic number, because the mean of its divisors is an integer number (275688).

2^2106211 is an apocalyptic number.

2106211 is a deficient number, since it is larger than the sum of its proper divisors (99293).

2106211 is a wasteful number, since it uses less digits than its factorization.

2106211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2106211 is about 1451.2790910090. The cubic root of 2106211 is about 128.1840410819.

The spelling of 2106211 in words is "two million, one hundred six thousand, two hundred eleven".