111211112000 has 112 divisors (see below), whose sum is σ = 276306076800. Its totient is φ = 44340416000.

The previous prime is 111211111993. The next prime is 111211112017. The reversal of 111211112000 is 211112111.

It is a super-2 number, since 2×111211112000² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2465651 + ... + 2510349.

Almost surely, 2^111211112000 is an apocalyptic number.

111211112000 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 111211112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138153038400).

111211112000 is an abundant number, since it is smaller than the sum of its proper divisors (165094964800).

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

111211112000 is an equidigital number, since it uses as much as digits as its factorization.

111211112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45037 (or 45017 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111211112000 its reverse (211112111), we get a palindrome (111422224111).

The spelling of 111211112000 in words is "one hundred eleven billion, two hundred eleven million, one hundred twelve thousand".