1131023130112 has 40 divisors (see below), whose sum is σ = 2277088031592. Its totient is φ = 561194649600.

The previous prime is 1131023130109. The next prime is 1131023130119. The reversal of 1131023130112 is 2110313201311.

It is a super-2 number, since 2×1131023130112² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1131023130112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131023130119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8364339 + ... + 8498482.

Almost surely, 2^{1131023130112} is an apocalyptic number.

It is an amenable number.

1131023130112 is an abundant number, since it is smaller than the sum of its proper divisors (1146064901480).

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

1131023130112 is an equidigital number, since it uses as much as digits as its factorization.

1131023130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16862970 (or 16862954 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1131023130112 its reverse (2110313201311), we get a palindrome (3241336331423).

The spelling of 1131023130112 in words is "one trillion, one hundred thirty-one billion, twenty-three million, one hundred thirty thousand, one hundred twelve".