2111012212 has 24 divisors (see below), whose sum is σ = 3790180800. Its totient is φ = 1028420736.

The previous prime is 2111012209. The next prime is 2111012237. The reversal of 2111012212 is 2122101112.

It is a junction number, because it is equal to n+sod(n) for n = 2111012192 and 2111012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12912 + ... + 66247.

It is an arithmetic number, because the mean of its divisors is an integer number (157924200).

Almost surely, 2^2111012212 is an apocalyptic number.

It is an amenable number.

2111012212 is a deficient number, since it is larger than the sum of its proper divisors (1679168588).

2111012212 is a wasteful number, since it uses less digits than its factorization.

2111012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79335 (or 79333 counting only the distinct ones).

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

The square root of 2111012212 is about 45945.7529266852. The cubic root of 2111012212 is about 1282.8136778317.

Adding to 2111012212 its reverse (2122101112), we get a palindrome (4233113324).

Subtracting 2111012212 from its reverse (2122101112), we obtain a square (11088900 = 3330²).

The spelling of 2111012212 in words is "two billion, one hundred eleven million, twelve thousand, two hundred twelve".