2112111244112 has 20 divisors (see below), whose sum is σ = 4094956516500. Its totient is φ = 1055348272128.

The previous prime is 2112111244081. The next prime is 2112111244141. The reversal of 2112111244112 is 2114421112112.

It can be written as a sum of positive squares in 2 ways, for example, as 1313490197776 + 798621046336 = 1146076^2 + 893656^2 .

It is a super-2 number, since 2×2112111244112² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44184737 + ... + 44232512.

It is an arithmetic number, because the mean of its divisors is an integer number (204747825825).

Almost surely, 2^{2112111244112} is an apocalyptic number.

It is an amenable number.

2112111244112 is a deficient number, since it is larger than the sum of its proper divisors (1982845272388).

2112111244112 is a wasteful number, since it uses less digits than its factorization.

2112111244112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88418750 (or 88418744 counting only the distinct ones).

The product of its digits is 256, while the sum is 23.

Adding to 2112111244112 its reverse (2114421112112), we get a palindrome (4226532356224).

The spelling of 2112111244112 in words is "two trillion, one hundred twelve billion, one hundred eleven million, two hundred forty-four thousand, one hundred twelve".