106520211 has 16 divisors (see below), whose sum is σ = 180352000. Its totient is φ = 60868584.

The previous prime is 106520209. The next prime is 106520237. The reversal of 106520211 is 112025601.

106520211 is a `hidden beast` number, since 1 + 0 + 652 + 0 + 2 + 11 = 666.

It is not a de Polignac number, because 106520211 - 2¹ = 106520209 is a prime.

It is a super-2 number, since 2×106520211² = 22693110702969042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106520201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281611 + ... + 281988.

It is an arithmetic number, because the mean of its divisors is an integer number (11272000).

Almost surely, 2^106520211 is an apocalyptic number.

106520211 is a deficient number, since it is larger than the sum of its proper divisors (73831789).

106520211 is an equidigital number, since it uses as much as digits as its factorization.

106520211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563615 (or 563609 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 106520211 is about 10320.8628999711. The cubic root of 106520211 is about 474.0352881916.

Adding to 106520211 its reverse (112025601), we get a palindrome (218545812).

The spelling of 106520211 in words is "one hundred six million, five hundred twenty thousand, two hundred eleven".