111110212001200 has 240 divisors, whose sum is σ = 300153779241120. Its totient is φ = 39277465436160.

The previous prime is 111110212001179. The next prime is 111110212001207. The reversal of 111110212001200 is 2100212011111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111110212001207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10794352 + ... + 18404848.

It is an arithmetic number, because the mean of its divisors is an integer number (1250640746838).

Almost surely, 2^{111110212001200} is an apocalyptic number.

111110212001200 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 111110212001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150076889620560).

111110212001200 is an abundant number, since it is smaller than the sum of its proper divisors (189043567239920).

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

111110212001200 is a wasteful number, since it uses less digits than its factorization.

111110212001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610664 (or 7610653 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111110212001200 its reverse (2100212011111), we get a palindrome (113210424012311).

The spelling of 111110212001200 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twelve million, one thousand, two hundred".