111220210112 has 112 divisors (see below), whose sum is σ = 246654937728. Its totient is φ = 49332433920.

The previous prime is 111220210093. The next prime is 111220210121. The reversal of 111220210112 is 211012022111.

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, 5035958 + ... + 5057994.

Almost surely, 2^111220210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111220210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123327468864).

111220210112 is an abundant number, since it is smaller than the sum of its proper divisors (135434727616).

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

111220210112 is a wasteful number, since it uses less digits than its factorization.

111220210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22234 (or 22224 counting only the distinct ones).

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

Adding to 111220210112 its reverse (211012022111), we get a palindrome (322232232223).

The spelling of 111220210112 in words is "one hundred eleven billion, two hundred twenty million, two hundred ten thousand, one hundred twelve".