111121102112212 has 12 divisors (see below), whose sum is σ = 194518018114560. Its totient is φ = 55544525508056.

The previous prime is 111121102112159. The next prime is 111121102112219. The reversal of 111121102112212 is 212211201121111.

It is a self number, because there is not a number n which added to its sum of digits gives 111121102112212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121102112219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4006371412 + ... + 4006399147.

It is an arithmetic number, because the mean of its divisors is an integer number (16209834842880).

Almost surely, 2^{111121102112212} is an apocalyptic number.

It is an amenable number.

111121102112212 is a deficient number, since it is larger than the sum of its proper divisors (83396916002348).

111121102112212 is a wasteful number, since it uses less digits than its factorization.

111121102112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012774030 (or 8012774028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111121102112212 its reverse (212211201121111), we get a palindrome (323332303233323).

The spelling of 111121102112212 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred two million, one hundred twelve thousand, two hundred twelve".