11221011112 has 8 divisors (see below), whose sum is σ = 21039395850. Its totient is φ = 5610505552.

The previous prime is 11221011103. The next prime is 11221011163. The reversal of 11221011112 is 21111012211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8647884036 + 2573127076 = 92994^2 + 50726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11221011112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221011092 and 11221011101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701313187 + ... + 701313202.

Almost surely, 2^11221011112 is an apocalyptic number.

It is an amenable number.

11221011112 is a deficient number, since it is larger than the sum of its proper divisors (9818384738).

11221011112 is a wasteful number, since it uses less digits than its factorization.

11221011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402626395 (or 1402626391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11221011112 its reverse (21111012211), we get a palindrome (32332023323).

The spelling of 11221011112 in words is "eleven billion, two hundred twenty-one million, eleven thousand, one hundred twelve".