111101382 has 40 divisors (see below), whose sum is σ = 284516496. Its totient is φ = 31742928.

The previous prime is 111101381. The next prime is 111101423. The reversal of 111101382 is 283101111.

It is a happy number.

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 (111101381) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47853 + ... + 50120.

Almost surely, 2^111101382 is an apocalyptic number.

111101382 is an abundant number, since it is smaller than the sum of its proper divisors (173415114).

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

111101382 is an equidigital number, since it uses as much as digits as its factorization.

111101382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97994 (or 97985 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 111101382 is about 10540.4640315311. The cubic root of 111101382 is about 480.7358245532.

Adding to 111101382 its reverse (283101111), we get a palindrome (394202493).

The spelling of 111101382 in words is "one hundred eleven million, one hundred one thousand, three hundred eighty-two".