111222110000212 has 48 divisors (see below), whose sum is σ = 209552350447440. Its totient is φ = 51460691558400.

The previous prime is 111222110000159. The next prime is 111222110000231. The reversal of 111222110000212 is 212000011222111.

It can be written as a sum of positive squares in 8 ways, for example, as 35092401645456 + 76129708354756 = 5923884^2 + 8725234^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4632964 + ... + 15617572.

It is an arithmetic number, because the mean of its divisors is an integer number (4365673967655).

Almost surely, 2^{111222110000212} is an apocalyptic number.

It is an amenable number.

111222110000212 is a deficient number, since it is larger than the sum of its proper divisors (98330240447228).

111222110000212 is a wasteful number, since it uses less digits than its factorization.

111222110000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987132 (or 10987130 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111222110000212 its reverse (212000011222111), we get a palindrome (323222121222323).

The spelling of 111222110000212 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred ten million, two hundred twelve", and thus it is an aban number.