2112111244 has 12 divisors (see below), whose sum is σ = 3697188768. Its totient is φ = 1055771600.

The previous prime is 2112111241. The next prime is 2112111247. The reversal of 2112111244 is 4421112112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112111241) and next prime (2112111247).

It is a super-2 number, since 2×2112111244² = 8922027814062455072, which contains 22 as substring.

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 (2112111241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53812 + ... + 84379.

It is an arithmetic number, because the mean of its divisors is an integer number (308099064).

Almost surely, 2^2112111244 is an apocalyptic number.

It is an amenable number.

2112111244 is a deficient number, since it is larger than the sum of its proper divisors (1585077524).

2112111244 is a wasteful number, since it uses less digits than its factorization.

2112111244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142016 (or 142014 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 2112111244 is about 45957.7114747895. The cubic root of 2112111244 is about 1283.0362580516.

Adding to 2112111244 its reverse (4421112112), we get a palindrome (6533223356).

The spelling of 2112111244 in words is "two billion, one hundred twelve million, one hundred eleven thousand, two hundred forty-four".