2011012211 has 8 divisors (see below), whose sum is σ = 2176591200. Its totient is φ = 1846988352.

The previous prime is 2011012207. The next prime is 2011012247. The reversal of 2011012211 is 1122101102.

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 2011012211 - 2² = 2011012207 is a prime.

It is a super-2 number, since 2×2011012211² = 8088340225582217042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011012192 and 2011012201.

It is not an unprimeable number, because it can be changed into a prime (2011014211) 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, 386090 + ... + 391263.

It is an arithmetic number, because the mean of its divisors is an integer number (272073900).

Almost surely, 2^2011012211 is an apocalyptic number.

2011012211 is a deficient number, since it is larger than the sum of its proper divisors (165578989).

2011012211 is a wasteful number, since it uses less digits than its factorization.

2011012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777565.

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

The square root of 2011012211 is about 44844.3107985840. The cubic root of 2011012211 is about 1262.2292380957.

Adding to 2011012211 its reverse (1122101102), we get a palindrome (3133113313).

The spelling of 2011012211 in words is "two billion, eleven million, twelve thousand, two hundred eleven".