111210222110212 has 18 divisors (see below), whose sum is σ = 205400043193758. Its totient is φ = 52678526262048.

The previous prime is 111210222110201. The next prime is 111210222110219. The reversal of 111210222110212 is 212011222012111.

It is a happy number.

111210222110212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 94861834007616 + 16348388102596 = 9739704^2 + 4043314^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 111210222110212.

It is not an unprimeable number, because it can be changed into a prime (111210222110219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38507693193 + ... + 38507696080.

Almost surely, 2^{111210222110212} is an apocalyptic number.

It is an amenable number.

111210222110212 is a deficient number, since it is larger than the sum of its proper divisors (94189821083546).

111210222110212 is a wasteful number, since it uses less digits than its factorization.

111210222110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77015389315 (or 77015389294 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111210222110212 its reverse (212011222012111), we get a palindrome (323221444122323).

The spelling of 111210222110212 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty-two million, one hundred ten thousand, two hundred twelve".