211049101 has 8 divisors (see below), whose sum is σ = 224758584. Its totient is φ = 197483520.

The previous prime is 211049087. The next prime is 211049119. The reversal of 211049101 is 101940112.

It can be written as a sum of positive squares in 4 ways, for example, as 90269001 + 120780100 = 9501^2 + 10990^2 .

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 211049101 - 2²⁷ = 76831373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211049161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32940 + ... + 38821.

It is an arithmetic number, because the mean of its divisors is an integer number (28094823).

Almost surely, 2^211049101 is an apocalyptic number.

It is an amenable number.

211049101 is a deficient number, since it is larger than the sum of its proper divisors (13709483).

211049101 is a wasteful number, since it uses less digits than its factorization.

211049101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71951.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 211049101 is about 14527.5290741406. The cubic root of 211049101 is about 595.3803570429.

Adding to 211049101 its reverse (101940112), we get a palindrome (312989213).

The spelling of 211049101 in words is "two hundred eleven million, forty-nine thousand, one hundred one".