2210111212 has 12 divisors (see below), whose sum is σ = 3877902280. Its totient is φ = 1102139136.

The previous prime is 2210111209. The next prime is 2210111213. The reversal of 2210111212 is 2121110122.

It is a junction number, because it is equal to n+sod(n) for n = 2210111192 and 2210111201.

It is not an unprimeable number, because it can be changed into a prime (2210111213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727413 + ... + 730444.

Almost surely, 2^2210111212 is an apocalyptic number.

It is an amenable number.

2210111212 is a deficient number, since it is larger than the sum of its proper divisors (1667791068).

2210111212 is a wasteful number, since it uses less digits than its factorization.

2210111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458240 (or 1458238 counting only the distinct ones).

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

The square root of 2210111212 is about 47011.8199179738. The cubic root of 2210111212 is about 1302.5809105564.

Adding to 2210111212 its reverse (2121110122), we get a palindrome (4331221334).

The spelling of 2210111212 in words is "two billion, two hundred ten million, one hundred eleven thousand, two hundred twelve".