11220221112 has 16 divisors (see below), whose sum is σ = 28050552840. Its totient is φ = 3740073696.

The previous prime is 11220221081. The next prime is 11220221113. The reversal of 11220221112 is 21112202211.

It is a junction number, because it is equal to n+sod(n) for n = 11220221091 and 11220221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220221113) 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, 233754583 + ... + 233754630.

Almost surely, 2^11220221112 is an apocalyptic number.

11220221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220221112 is an abundant number, since it is smaller than the sum of its proper divisors (16830331728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220221112 is a wasteful number, since it uses less digits than its factorization.

11220221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467509222 (or 467509218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220221112 its reverse (21112202211), we get a palindrome (32332423323).

The spelling of 11220221112 in words is "eleven billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".