13112111000 has 32 divisors (see below), whose sum is σ = 30682342080. Its totient is φ = 5244844000.

The previous prime is 13112110969. The next prime is 13112111029. The reversal of 13112111000 is 11121131.

It is a happy number.

It is a congruent 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, 6555056 + ... + 6557055.

It is an arithmetic number, because the mean of its divisors is an integer number (958823190).

Almost surely, 2^13112111000 is an apocalyptic number.

13112111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112111000 is an abundant number, since it is smaller than the sum of its proper divisors (17570231080).

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

13112111000 is a wasteful number, since it uses less digits than its factorization.

13112111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112132 (or 13112118 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 13112111000 its reverse (11121131), we get a palindrome (13123232131).

The spelling of 13112111000 in words is "thirteen billion, one hundred twelve million, one hundred eleven thousand".