11100112221112 has 16 divisors (see below), whose sum is σ = 20812745784600. Its totient is φ = 5550046678560.

The previous prime is 11100112221083. The next prime is 11100112221119. The reversal of 11100112221112 is 21112221100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100112221119) by changing a digit.

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, 8415214 + ... + 9644482.

Almost surely, 2^{11100112221112} is an apocalyptic number.

It is an amenable number.

11100112221112 is a deficient number, since it is larger than the sum of its proper divisors (9712633563488).

11100112221112 is a wasteful number, since it uses less digits than its factorization.

11100112221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358006 (or 2358002 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11100112221112 its reverse (21112221100111), we get a palindrome (32212333321223).

The spelling of 11100112221112 in words is "eleven trillion, one hundred billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".