11001111201112 has 16 divisors (see below), whose sum is σ = 20628674433360. Its totient is φ = 5500131352224.

The previous prime is 11001111201079. The next prime is 11001111201173. The reversal of 11001111201112 is 21110211110011.

It is a super-2 number, since 2×11001111201112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11001111201092 and 11001111201101.

It is a congruent number.

It is an unprimeable number.

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, 52920823 + ... + 53128294.

It is an arithmetic number, because the mean of its divisors is an integer number (1289292152085).

Almost surely, 2^{11001111201112} is an apocalyptic number.

It is an amenable number.

11001111201112 is a deficient number, since it is larger than the sum of its proper divisors (9627563232248).

11001111201112 is a wasteful number, since it uses less digits than its factorization.

11001111201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106062090 (or 106062086 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11001111201112 its reverse (21110211110011), we get a palindrome (32111322311123).

The spelling of 11001111201112 in words is "eleven trillion, one billion, one hundred eleven million, two hundred one thousand, one hundred twelve".