112321311102 has 192 divisors, whose sum is σ = 334354116096. Its totient is φ = 26303719680.

The previous prime is 112321311073. The next prime is 112321311143. The reversal of 112321311102 is 201113123211.

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, 702288 + ... + 847260.

It is an arithmetic number, because the mean of its divisors is an integer number (1741427688).

Almost surely, 2^112321311102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112321311102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167177058048).

112321311102 is an abundant number, since it is smaller than the sum of its proper divisors (222032804994).

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

112321311102 is a wasteful number, since it uses less digits than its factorization.

112321311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145055 (or 145052 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 112321311102 its reverse (201113123211), we get a palindrome (313434434313).

The spelling of 112321311102 in words is "one hundred twelve billion, three hundred twenty-one million, three hundred eleven thousand, one hundred two".