11221102012 has 24 divisors (see below), whose sum is σ = 19988029712. Its totient is φ = 5510505600.

The previous prime is 11221102001. The next prime is 11221102019. The reversal of 11221102012 is 21020112211.

It is a junction number, because it is equal to n+sod(n) for n = 11221101983 and 11221102001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221102019) 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 7 ways as a sum of consecutive naturals, for example, 135328 + ... + 201880.

Almost surely, 2^11221102012 is an apocalyptic number.

It is an amenable number.

11221102012 is a deficient number, since it is larger than the sum of its proper divisors (8766927700).

11221102012 is a wasteful number, since it uses less digits than its factorization.

11221102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67309 (or 67307 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11221102012 its reverse (21020112211), we get a palindrome (32241214223).

The spelling of 11221102012 in words is "eleven billion, two hundred twenty-one million, one hundred two thousand, twelve".