2011612210 has 32 divisors (see below), whose sum is σ = 3839979312. Its totient is φ = 756111360.

The previous prime is 2011612181. The next prime is 2011612217. The reversal of 2011612210 is 122161102.

It can be written as a sum of positive squares in 8 ways, for example, as 724309569 + 1287302641 = 26913^2 + 35879^2 .

It is not an unprimeable number, because it can be changed into a prime (2011612217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 101950 + ... + 120070.

Almost surely, 2^2011612210 is an apocalyptic number.

2011612210 is a deficient number, since it is larger than the sum of its proper divisors (1828367102).

2011612210 is a wasteful number, since it uses less digits than its factorization.

2011612210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18798.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2011612210 is about 44851.0001003322. Note that the first 3 decimals coincide. The cubic root of 2011612210 is about 1262.3547571370.

Adding to 2011612210 its reverse (122161102), we get a palindrome (2133773312).

The spelling of 2011612210 in words is "two billion, eleven million, six hundred twelve thousand, two hundred ten".