111200002100212 has 6 divisors (see below), whose sum is σ = 194600003675378. Its totient is φ = 55600001050104.

The previous prime is 111200002100191. The next prime is 111200002100221. The reversal of 111200002100212 is 212001200002111.

It can be written as a sum of positive squares in only one way, i.e., 67537430589456 + 43662571510756 = 8218116^2 + 6607766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111200002100192 and 111200002100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13900000262523 + ... + 13900000262530.

Almost surely, 2^{111200002100212} is an apocalyptic number.

It is an amenable number.

111200002100212 is a deficient number, since it is larger than the sum of its proper divisors (83400001575166).

111200002100212 is a wasteful number, since it uses less digits than its factorization.

111200002100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27800000525057 (or 27800000525055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111200002100212 its reverse (212001200002111), we get a palindrome (323201202102323).

The spelling of 111200002100212 in words is "one hundred eleven trillion, two hundred billion, two million, one hundred thousand, two hundred twelve".