111101111136 has 60 divisors (see below), whose sum is σ = 326745289332. Its totient is φ = 37033702848.

The previous prime is 111101111123. The next prime is 111101111137. The reversal of 111101111136 is 631111101111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101111137) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21428950 + ... + 21434133.

Almost surely, 2^111101111136 is an apocalyptic number.

111101111136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111101111136 is an abundant number, since it is smaller than the sum of its proper divisors (215644178196).

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

111101111136 is an equidigital number, since it uses as much as digits as its factorization.

111101111136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42863105 (or 42863088 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

Adding to 111101111136 its reverse (631111101111), we get a palindrome (742212212247).

The spelling of 111101111136 in words is "one hundred eleven billion, one hundred one million, one hundred eleven thousand, one hundred thirty-six".