111201102212 has 24 divisors (see below), whose sum is σ = 200236807512. Its totient is φ = 54011360000.

The previous prime is 111201102211. The next prime is 111201102239. The reversal of 111201102212 is 212201102111.

It can be written as a sum of positive squares in 4 ways, for example, as 92006662276 + 19194439936 = 303326^2 + 138544^2 .

It is not an unprimeable number, because it can be changed into a prime (111201102211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575289 + ... + 2618112.

It is an arithmetic number, because the mean of its divisors is an integer number (8343200313).

Almost surely, 2^111201102212 is an apocalyptic number.

It is an amenable number.

111201102212 is a deficient number, since it is larger than the sum of its proper divisors (89035705300).

111201102212 is a wasteful number, since it uses less digits than its factorization.

111201102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193559 (or 5193557 counting only the distinct ones).

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

Adding to 111201102212 its reverse (212201102111), we get a palindrome (323402204323).

The spelling of 111201102212 in words is "one hundred eleven billion, two hundred one million, one hundred two thousand, two hundred twelve".