111010012111200 has 576 divisors, whose sum is σ = 378265644574272. Its totient is φ = 28247180083200.

The previous prime is 111010012111199. The next prime is 111010012111217. The reversal of 111010012111200 is 2111210010111.

It is a super-3 number, since 3×111010012111200³ (a number of 43 digits) contains 333 as substring.

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

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, 17983151314 + ... + 17983157486.

It is an arithmetic number, because the mean of its divisors is an integer number (656711188497).

Almost surely, 2^{111010012111200} is an apocalyptic number.

111010012111200 is a gapful number since it is divisible by the number (10) 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 111010012111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189132822287136).

111010012111200 is an abundant number, since it is smaller than the sum of its proper divisors (267255632463072).

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

111010012111200 is a wasteful number, since it uses less digits than its factorization.

111010012111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107 (or 10094 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111010012111200 its reverse (2111210010111), we get a palindrome (113121222121311).

The spelling of 111010012111200 in words is "one hundred eleven trillion, ten billion, twelve million, one hundred eleven thousand, two hundred".