111101001112 has 64 divisors (see below), whose sum is σ = 215439912000. Its totient is φ = 53687462400.

The previous prime is 111101001097. The next prime is 111101001113. The reversal of 111101001112 is 211100101111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101001113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8515458 + ... + 8528494.

It is an arithmetic number, because the mean of its divisors is an integer number (3366248625).

Almost surely, 2^111101001112 is an apocalyptic number.

It is an amenable number.

111101001112 is a deficient number, since it is larger than the sum of its proper divisors (104338910888).

111101001112 is a wasteful number, since it uses less digits than its factorization.

111101001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13396 (or 13392 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111101001112 its reverse (211100101111), we get a palindrome (322201102223).

Subtracting 111101001112 from its reverse (211100101111), we obtain a palindrome (99999099999).

The spelling of 111101001112 in words is "one hundred eleven billion, one hundred one million, one thousand, one hundred twelve".