2111122443112 has 16 divisors (see below), whose sum is σ = 3960569691360. Its totient is φ = 1054970525424.

The previous prime is 2111122443071. The next prime is 2111122443113. The reversal of 2111122443112 is 2113442211112.

It is a super-2 number, since 2×2111122443112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111122443113) 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, 73821828 + ... + 73850419.

It is an arithmetic number, because the mean of its divisors is an integer number (247535605710).

Almost surely, 2^{2111122443112} is an apocalyptic number.

It is an amenable number.

2111122443112 is a deficient number, since it is larger than the sum of its proper divisors (1849447248248).

2111122443112 is a wasteful number, since it uses less digits than its factorization.

2111122443112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147674040 (or 147674036 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

Adding to 2111122443112 its reverse (2113442211112), we get a palindrome (4224564654224).

The spelling of 2111122443112 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, four hundred forty-three thousand, one hundred twelve".