111101001100038 has 16 divisors (see below), whose sum is σ = 246891113555760. Its totient is φ = 37033667033328.

The previous prime is 111101001100003. The next prime is 111101001100039. The reversal of 111101001100038 is 830001100101111.

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 (111101001100039) 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, 1028712973095 + ... + 1028712973202.

It is an arithmetic number, because the mean of its divisors is an integer number (15430694597235).

Almost surely, 2^{111101001100038} is an apocalyptic number.

111101001100038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

111101001100038 is an abundant number, since it is smaller than the sum of its proper divisors (135790112455722).

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

111101001100038 is a wasteful number, since it uses less digits than its factorization.

111101001100038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057425946308 (or 2057425946302 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 111101001100038 its reverse (830001100101111), we get a palindrome (941102101201149).

The spelling of 111101001100038 in words is "one hundred eleven trillion, one hundred one billion, one million, one hundred thousand, thirty-eight".