111401100 has 108 divisors (see below), whose sum is σ = 357815640. Its totient is φ = 28972800.

The previous prime is 111401099. The next prime is 111401113. The reversal of 111401100 is 1104111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35391 + ... + 38409.

Almost surely, 2^111401100 is an apocalyptic number.

111401100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111401100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178907820).

111401100 is an abundant number, since it is smaller than the sum of its proper divisors (246414540).

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

111401100 is a wasteful number, since it uses less digits than its factorization.

111401100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 111401100 is about 10554.6719513209. The cubic root of 111401100 is about 481.1677297945.

Adding to 111401100 its reverse (1104111), we get a palindrome (112505211).

The spelling of 111401100 in words is "one hundred eleven million, four hundred one thousand, one hundred".