11131022112 has 48 divisors (see below), whose sum is σ = 33393068352. Its totient is φ = 3180291840.

The previous prime is 11131022093. The next prime is 11131022129. The reversal of 11131022112 is 21122013111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 11131022091 and 11131022100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8281339 + ... + 8282682.

It is an arithmetic number, because the mean of its divisors is an integer number (695688924).

Almost surely, 2^11131022112 is an apocalyptic number.

11131022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11131022112 is an abundant number, since it is smaller than the sum of its proper divisors (22262046240).

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

11131022112 is a wasteful number, since it uses less digits than its factorization.

11131022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564041 (or 16564033 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11131022112 its reverse (21122013111), we get a palindrome (32253035223).

Subtracting 11131022112 from its reverse (21122013111), we obtain a palindrome (9990990999).

The spelling of 11131022112 in words is "eleven billion, one hundred thirty-one million, twenty-two thousand, one hundred twelve".