111202111112 has 16 divisors (see below), whose sum is σ = 208597198860. Its totient is φ = 55576191424.

The previous prime is 111202111109. The next prime is 111202111117. The reversal of 111202111112 is 211111202111.

It can be written as a sum of positive squares in 2 ways, for example, as 111119555716 + 82555396 = 333346^2 + 9086^2 .

It is not an unprimeable number, because it can be changed into a prime (111202111117) 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, 3089003 + ... + 3124794.

Almost surely, 2^111202111112 is an apocalyptic number.

It is an amenable number.

111202111112 is a deficient number, since it is larger than the sum of its proper divisors (97395087748).

111202111112 is a wasteful number, since it uses less digits than its factorization.

111202111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216040 (or 6216036 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111202111112 its reverse (211111202111), we get a palindrome (322313313223).

Subtracting 111202111112 from its reverse (211111202111), we obtain a palindrome (99909090999).

The spelling of 111202111112 in words is "one hundred eleven billion, two hundred two million, one hundred eleven thousand, one hundred twelve".