111002101200012 has 192 divisors, whose sum is σ = 296092348231680. Its totient is φ = 32037450720000.

The previous prime is 111002101200007. The next prime is 111002101200049. The reversal of 111002101200012 is 210002101200111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3050411914 + ... + 3050448302.

It is an arithmetic number, because the mean of its divisors is an integer number (1542147647040).

Almost surely, 2^{111002101200012} is an apocalyptic number.

111002101200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111002101200012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148046174115840).

111002101200012 is an abundant number, since it is smaller than the sum of its proper divisors (185090247031668).

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

111002101200012 is a wasteful number, since it uses less digits than its factorization.

111002101200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40684 (or 40682 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111002101200012 its reverse (210002101200111), we get a palindrome (321004202400123).

Subtracting 111002101200012 from its reverse (210002101200111), we obtain a palindrome (99000000000099).

The spelling of 111002101200012 in words is "one hundred eleven trillion, two billion, one hundred one million, two hundred thousand, twelve".