2211111121112 has 16 divisors (see below), whose sum is σ = 4152596547840. Its totient is φ = 1103752041696.

The previous prime is 2211111121111. The next prime is 2211111121123. The reversal of 2211111121112 is 2111211111122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211111121111) 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 3 ways as a sum of consecutive naturals, for example, 225434648 + ... + 225444455.

It is an arithmetic number, because the mean of its divisors is an integer number (259537284240).

Almost surely, 2^{2211111121112} is an apocalyptic number.

It is an amenable number.

2211111121112 is a deficient number, since it is larger than the sum of its proper divisors (1941485426728).

2211111121112 is a wasteful number, since it uses less digits than its factorization.

2211111121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450879722 (or 450879718 counting only the distinct ones).

The product of its digits is 16, while the sum is 17.

Adding to 2211111121112 its reverse (2111211111122), we get a palindrome (4322322232234).

The spelling of 2211111121112 in words is "two trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twelve".