11101131112 has 32 divisors (see below), whose sum is σ = 21288199680. Its totient is φ = 5425076800.

The previous prime is 11101131109. The next prime is 11101131131. The reversal of 11101131112 is 21113110111.

11101131112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11101131112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101131092 and 11101131101.

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 7 ways as a sum of consecutive naturals, for example, 61737 + ... + 161287.

It is an arithmetic number, because the mean of its divisors is an integer number (665256240).

Almost surely, 2^11101131112 is an apocalyptic number.

It is an amenable number.

11101131112 is a deficient number, since it is larger than the sum of its proper divisors (10187068568).

11101131112 is a wasteful number, since it uses less digits than its factorization.

11101131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99873 (or 99869 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11101131112 its reverse (21113110111), we get a palindrome (32214241223).

The spelling of 11101131112 in words is "eleven billion, one hundred one million, one hundred thirty-one thousand, one hundred twelve".