2111323212 has 24 divisors (see below), whose sum is σ = 5473801200. Its totient is φ = 703774368.

The previous prime is 2111323183. The next prime is 2111323213. The reversal of 2111323212 is 2123231112.

2111323212 is a `hidden beast` number, since 211 + 132 + 321 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2111323213) 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 7 ways as a sum of consecutive naturals, for example, 9774537 + ... + 9774752.

It is an arithmetic number, because the mean of its divisors is an integer number (228075050).

Almost surely, 2^2111323212 is an apocalyptic number.

It is an amenable number.

2111323212 is an abundant number, since it is smaller than the sum of its proper divisors (3362477988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111323212 is a wasteful number, since it uses less digits than its factorization.

2111323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19549302 (or 19549294 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2111323212 is about 45949.1372280264. The cubic root of 2111323212 is about 1282.8766705927.

Adding to 2111323212 its reverse (2123231112), we get a palindrome (4234554324).

The spelling of 2111323212 in words is "two billion, one hundred eleven million, three hundred twenty-three thousand, two hundred twelve".