111212211120112 has 40 divisors (see below), whose sum is σ = 222936413232240. Its totient is φ = 53680794854400.

The previous prime is 111212211119993. The next prime is 111212211120133. The reversal of 111212211120112 is 211021112212111.

It is a self number, because there is not a number n which added to its sum of digits gives 111212211120112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14368014 + ... + 20709037.

It is an arithmetic number, because the mean of its divisors is an integer number (5573410330806).

Almost surely, 2^{111212211120112} is an apocalyptic number.

It is an amenable number.

111212211120112 is an abundant number, since it is smaller than the sum of its proper divisors (111724202112128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111212211120112 is a wasteful number, since it uses less digits than its factorization.

111212211120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35083921 (or 35083915 counting only the distinct ones).

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

Adding to 111212211120112 its reverse (211021112212111), we get a palindrome (322233323332223).

The spelling of 111212211120112 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty thousand, one hundred twelve".