211286106 has 12 divisors (see below), whose sum is σ = 457786602. Its totient is φ = 70428696.

The previous prime is 211286093. The next prime is 211286107. The reversal of 211286106 is 601682112.

211286106 is a `hidden beast` number, since 21 + 1 + 28 + 610 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 211266225 + 19881 = 14535^2 + 141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211286106.

It is not an unprimeable number, because it can be changed into a prime (211286107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5869041 + ... + 5869076.

Almost surely, 2^211286106 is an apocalyptic number.

211286106 is an abundant number, since it is smaller than the sum of its proper divisors (246500496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211286106 is a wasteful number, since it uses less digits than its factorization.

211286106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11738125 (or 11738122 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 211286106 is about 14535.6838848401. The cubic root of 211286106 is about 595.6031414298.

The spelling of 211286106 in words is "two hundred eleven million, two hundred eighty-six thousand, one hundred six".