111122100212000 has 48 divisors (see below), whose sum is σ = 273027000230712. Its totient is φ = 44448840083200.

The previous prime is 111122100211979. The next prime is 111122100212003. The reversal of 111122100212000 is 212001221111.

It can be written as a sum of positive squares in 4 ways, for example, as 68828460949264 + 42293639262736 = 8296292^2 + 6503356^2 .

It is not an unprimeable number, because it can be changed into a prime (111122100212003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13890258527 + ... + 13890266526.

Almost surely, 2^{111122100212000} is an apocalyptic number.

111122100212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122100212000 is an abundant number, since it is smaller than the sum of its proper divisors (161904900018712).

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

111122100212000 is an equidigital number, since it uses as much as digits as its factorization.

111122100212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27780525078 (or 27780525060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111122100212000 its reverse (212001221111), we get a palindrome (111334101433111).

The spelling of 111122100212000 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred million, two hundred twelve thousand".