11331123111112 has 32 divisors (see below), whose sum is σ = 24312389544000. Its totient is φ = 4849913329344.

The previous prime is 11331123111107. The next prime is 11331123111221. The reversal of 11331123111112 is 21111132113311.

It is a happy number.

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, 130837362 + ... + 130923937.

It is an arithmetic number, because the mean of its divisors is an integer number (759762173250).

Almost surely, 2^{11331123111112} is an apocalyptic number.

It is an amenable number.

11331123111112 is an abundant number, since it is smaller than the sum of its proper divisors (12981266432888).

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

11331123111112 is a wasteful number, since it uses less digits than its factorization.

11331123111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261762085 (or 261762081 counting only the distinct ones).

The product of its digits is 108, while the sum is 22.

Adding to 11331123111112 its reverse (21111132113311), we get a palindrome (32442255224423).

The spelling of 11331123111112 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, one hundred eleven thousand, one hundred twelve".