111727727112 has 32 divisors (see below), whose sum is σ = 279703569600. Its totient is φ = 37191342144.

The previous prime is 111727727087. The next prime is 111727727117. The reversal of 111727727112 is 211727727111.

It is a super-2 number, since 2×111727727112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111727727117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3184287 + ... + 3219182.

It is an arithmetic number, because the mean of its divisors is an integer number (8740736550).

Almost surely, 2^111727727112 is an apocalyptic number.

111727727112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111727727112 is an abundant number, since it is smaller than the sum of its proper divisors (167975842488).

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

111727727112 is a wasteful number, since it uses less digits than its factorization.

111727727112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404205 (or 6404201 counting only the distinct ones).

The product of its digits is 19208, while the sum is 39.

Subtracting 111727727112 from its reverse (211727727111), we obtain a palindrome (99999999999).

The spelling of 111727727112 in words is "one hundred eleven billion, seven hundred twenty-seven million, seven hundred twenty-seven thousand, one hundred twelve".