2011212211 has 8 divisors (see below), whose sum is σ = 2062691840. Its totient is φ = 1959946632.

The previous prime is 2011212199. The next prime is 2011212221. The reversal of 2011212211 is 1122121102.

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 2011212211 - 2⁵ = 2011212179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011212191 and 2011212200.

It is not an unprimeable number, because it can be changed into a prime (2011212221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34395 + ... + 72148.

It is an arithmetic number, because the mean of its divisors is an integer number (257836480).

Almost surely, 2^2011212211 is an apocalyptic number.

2011212211 is a deficient number, since it is larger than the sum of its proper divisors (51479629).

2011212211 is a wasteful number, since it uses less digits than its factorization.

2011212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107025.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2011212211 is about 44846.5406804137. The cubic root of 2011212211 is about 1262.2710806196.

Adding to 2011212211 its reverse (1122121102), we get a palindrome (3133333313).

It can be divided in two parts, 20112 and 12211, that added together give a palindrome (32323).

The spelling of 2011212211 in words is "two billion, eleven million, two hundred twelve thousand, two hundred eleven".