111200012212 has 6 divisors (see below), whose sum is σ = 194600021378. Its totient is φ = 55600006104.

The previous prime is 111200012141. The next prime is 111200012233. The reversal of 111200012212 is 212210002111.

It can be written as a sum of positive squares in only one way, i.e., 79996202896 + 31203809316 = 282836^2 + 176646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111200012192 and 111200012201.

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, 13900001523 + ... + 13900001530.

Almost surely, 2^111200012212 is an apocalyptic number.

It is an amenable number.

111200012212 is a deficient number, since it is larger than the sum of its proper divisors (83400009166).

111200012212 is a wasteful number, since it uses less digits than its factorization.

111200012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27800003057 (or 27800003055 counting only the distinct ones).

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

Adding to 111200012212 its reverse (212210002111), we get a palindrome (323410014323).

The spelling of 111200012212 in words is "one hundred eleven billion, two hundred million, twelve thousand, two hundred twelve".