11131021112 has 16 divisors (see below), whose sum is σ = 20871792600. Its totient is φ = 5565209760.

The previous prime is 11131021103. The next prime is 11131021129. The reversal of 11131021112 is 21112013111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241787 + ... + 284117.

Almost surely, 2^11131021112 is an apocalyptic number.

It is an amenable number.

11131021112 is a deficient number, since it is larger than the sum of its proper divisors (9740771488).

11131021112 is a wasteful number, since it uses less digits than its factorization.

11131021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75206 (or 75202 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11131021112 its reverse (21112013111), we get a palindrome (32243034223).

The spelling of 11131021112 in words is "eleven billion, one hundred thirty-one million, twenty-one thousand, one hundred twelve".