111120112200212 has 6 divisors (see below), whose sum is σ = 194460196350378. Its totient is φ = 55560056100104.

The previous prime is 111120112200161. The next prime is 111120112200257. The reversal of 111120112200212 is 212002211021111.

It can be written as a sum of positive squares in only one way, i.e., 69167598690436 + 41952513509776 = 8316706^2 + 6477076^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 13890014025023 + ... + 13890014025030.

It is an arithmetic number, because the mean of its divisors is an integer number (32410032725063).

Almost surely, 2^{111120112200212} is an apocalyptic number.

It is an amenable number.

111120112200212 is a deficient number, since it is larger than the sum of its proper divisors (83340084150166).

111120112200212 is a wasteful number, since it uses less digits than its factorization.

111120112200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27780028050057 (or 27780028050055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111120112200212 its reverse (212002211021111), we get a palindrome (323122323221323).

The spelling of 111120112200212 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twelve million, two hundred thousand, two hundred twelve".