2011211210 has 16 divisors (see below), whose sum is σ = 3622011336. Its totient is φ = 804077568.

The previous prime is 2011211207. The next prime is 2011211221. The reversal of 2011211210 is 121121102.

It can be written as a sum of positive squares in 4 ways, for example, as 1650553129 + 360658081 = 40627^2 + 18991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2011211191 and 2011211200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29687 + ... + 70026.

Almost surely, 2^2011211210 is an apocalyptic number.

2011211210 is a deficient number, since it is larger than the sum of its proper divisors (1610800126).

2011211210 is a wasteful number, since it uses less digits than its factorization.

2011211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101737.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2011211210 is about 44846.5295201312. The cubic root of 2011211210 is about 1262.2708712047.

Adding to 2011211210 its reverse (121121102), we get a palindrome (2132332312).

The spelling of 2011211210 in words is "two billion, eleven million, two hundred eleven thousand, two hundred ten".