13111031112102 has 192 divisors, whose sum is σ = 37285126295040. Its totient is φ = 3225858048000.

The previous prime is 13111031112089. The next prime is 13111031112119. The reversal of 13111031112102 is 20121113011131.

13111031112102 is a `hidden beast` number, since 1 + 31 + 110 + 311 + 1 + 210 + 2 = 666.

13111031112102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 283146352 + ... + 283192652.

It is an arithmetic number, because the mean of its divisors is an integer number (194193366120).

Almost surely, 2^{13111031112102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111031112102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18642563147520).

13111031112102 is an abundant number, since it is smaller than the sum of its proper divisors (24174095182938).

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

13111031112102 is a wasteful number, since it uses less digits than its factorization.

13111031112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57099 (or 57096 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 13111031112102 its reverse (20121113011131), we get a palindrome (33232144123233).

The spelling of 13111031112102 in words is "thirteen trillion, one hundred eleven billion, thirty-one million, one hundred twelve thousand, one hundred two".